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May 13, 2026
Cross-Sectional Analysis for Electronic Devices: Seeing What the Naked Eye Can’t
When the Real Problem Is Hidden Inside
In electronics manufacturing, the most critical defects are often the ones you can’t see. A hairline crack in a solder joint, a void in a plating layer, an invisible delamination between PCB layers — any of these can cause a device to fail unpredictably in the field, with consequences ranging from product recalls to safety incidents.
Cross-sectional analysis is the technique that makes the invisible visible. By physically sectioning a component and examining its internal structure with precision instruments, engineers gain access to information that no surface inspection can provide — and that information is often the difference between a reliable product and an expensive failure.
What Is Cross-Sectional Analysis — and Why Does It Matter?
Cross-sectional analysis involves preparing a material or device specimen by cutting, mounting, and polishing it to reveal a precise internal cross-section, then examining that section under high-powered microscopy. It’s routinely applied to PCBs, PCBAs (assembled boards), integrated circuits (ICs), and a wide range of other electronic and industrial components.
The Five Core Objectives
Table
Objective
What It Delivers
Defect Detection
Identifies incomplete connections, solder defects, and structural flaws before they cause failures in the field
Material Quality Assessment
Evaluates layer thickness, density, mechanical strength, and durability — informing better material selection decisions
Failure Analysis
Traces the root cause of device failures with scientific precision, not guesswork
Product Development
Reveals weaknesses in current designs and provides the data needed to build better, more reliable products
Cost Reduction
Catching defects early in production is dramatically cheaper than recalls, rework, or warranty claims downstream
Step-by-Step: The Cross-Sectional Analysis Process
Reliable results depend on rigorous, standardized preparation. Here’s how the process unfolds at ALS:
Stage 1: Sample Preparation
Document the sample Before any cutting begins, the specimen is photographed in full — capturing the overall condition and the specific area of interest. This creates a visual baseline for the entire analysis.
Precision cutting The specimen is cut using specialized equipment, maintaining a minimum distance of 1.0 cm from the region of interest to avoid cutting-induced damage. If the area is particularly sensitive, the sample is pre-mounted in epoxy resin to protect it during sectioning.
Ultrasonic cleaning The cut specimen is cleaned in an ultrasonic bath for 2–3 minutes, then thoroughly dried — removing any debris or contamination that could affect imaging quality.
Stage 2: Mounting (Casting)
The specimen is embedded in a precisely measured mixture of epoxy resin and hardener, cast into a mold that holds it securely in the correct orientation. Once fully cured, the mounted sample is carefully removed from the casting cup.
The casting cup is cleaned with IPA-soaked cloth after each use to remove cured resin residue — maintaining consistent mounting quality across samples.
✨ Stage 3: Grinding and Polishing
The mounted specimen is processed on a NANO 1000T Grinder-Polisher, working through progressively finer abrasives at controlled speeds until the cross-section surface is perfectly flat, smooth, and ready for microscopic examination.
Stage 4: Microscopic Analysis
Optical Microscopy Using a high-performance optical microscope at magnifications ranging from 10× to 500× (selected based on sample characteristics), the cross-section is systematically imaged and examined for visible defects, layer integrity, and structural anomalies.
SEM/EDX Analysis For deeper investigation, Scanning Electron Microscopy (SEM) provides nanometer-level resolution imaging of internal structures, while Energy Dispersive X-ray Spectroscopy (EDX) identifies the elemental composition of specific areas — revealing not just where a problem exists, but what it’s made of.
Stage 5: Reporting
Analysis data — including images, measurements, and compositional findings — is compiled into a comprehensive report. Results are presented with supporting graphics, charts, and clear scientific interpretation, making findings accessible to both technical and non-technical stakeholders.
The Technical Toolkit: Key Analysis Techniques
Optical Microscopy
Uses visible light to generate high-resolution images at the micrometer scale. The standard first step for examining solder joint quality, layer continuity, and surface-level defects in PCBs and electronic assemblies.
⚡ Electron Microscopy (SEM & TEM)
Replaces light with a focused electron beam to achieve nanometer-scale resolution — far beyond what optical microscopy can deliver. Essential for studying particle morphology, interface characteristics, and fine structural details that affect electrical and mechanical performance.
️ Metallographic Analysis
Chemical etching techniques are applied to reveal grain boundaries, phase distributions, and internal microstructure in metallic materials — enabling detailed assessment of structural continuity and micro-level defects.
Hardness Testing (Vickers / Rockwell)
Quantifies the mechanical properties of materials at the cross-section — including hardness, wear resistance, and strength — providing critical data for quality certification and material performance evaluation.
X-ray Analysis (XRD & XRF)
XRD (X-ray Diffraction) — Reveals crystal structure and phase composition of materials
XRF (X-ray Fluorescence) — Identifies elemental composition and detects contamination or impurities
Together, these techniques provide a complete chemical and structural picture of the material under investigation.
What Materials and Applications Can Cross-Sectional Analysis Examine?
Cross-sectional analysis is far more versatile than many realize. Beyond electronics, it has applications across virtually every field of materials science and engineering:
️ Electronic Materials
PCBs — Detecting soldering defects, delamination, via integrity issues, and layer thickness non-conformance
Electronic components — Capacitors, resistors, and ICs: internal structural assessment and material integrity verification
Metallic Materials
Metal alloys — Examining crystal structure, elemental distribution, and internal defects such as cracks or incomplete fusion
Industrial materials — Evaluating mechanical properties and wear resistance of steel and aluminum for structural and machinery applications
Chemical and Polymer Materials
Plastics and polymers — Analyzing internal structure, additive distribution, strength, and flexibility characteristics
Ceramic materials — Assessing internal structure, fracture resistance, and impact strength for industrial ceramic applications
Medical and Biomedical Research
Biological tissue — Studying cellular architecture, comparing cancerous and healthy cells, and evaluating tissue response to treatment
Vaccines and pharmaceuticals — Examining structural composition to assess formulation stability and efficacy
Social Sciences
Cross-sectional studies — Collecting population-level data at a single point in time to analyze factors influencing health outcomes, behaviors, and demographic trends — providing foundational data for longitudinal research
Why Choose ALS for Cross-Sectional Analysis?
ALS Testing combines state-of-the-art instrumentation — including high-performance optical microscopes, SEM/EDX systems, and precision grinding equipment — with years of hands-on expertise in electronics failure analysis and materials characterization.
Our ISO/IEC 17025 accredited laboratory ensures that every analysis is conducted to the highest international standards, with results that are scientifically defensible, clearly communicated, and ready to support your quality decisions.
Whether you’re investigating a field failure, validating a new manufacturing process, or developing the next generation of electronic products, cross-sectional analysis with ALS gives you the internal insight you need to get it right.
Contact ALS Testing Services (Thailand)
ALS Testing Services (Thailand) Co., Ltd. Advanced chemical analysis and materials testing — powered by modern technology and specialist expertise.
Tel: +(66) 2700 9665 Email: pathumthani@alsglobal.com
When surface inspection isn’t enough — cut deeper with ALS. Contact our team today to discuss your cross-sectional analysis requirements.
Read moreMay 13, 2026
Volatile Organic Compounds (VOCs): What They Are, Why They Matter, and How to Measure Them
The Invisible Chemicals Around Us
They’re in the paint on your walls, the fuel in your car, the cleaning products under your sink — and quite possibly, the air you’re breathing right now. Volatile Organic Compounds (VOCs) are a family of chemicals so pervasive that most people encounter them daily without realizing it.
VOCs are liquid or solid chemical compounds with low boiling points, meaning they evaporate easily at room temperature and enter the air we breathe. While some are relatively harmless, others pose serious risks to human health and the environment — making accurate detection, measurement, and control essential for industries, regulators, and communities alike.
Meet the Key Players: Common Types of VOCs
Benzene
A colorless aromatic hydrocarbon found in petrol, diesel, paints, and solvents. Benzene is classified as a known human carcinogen, with established links to leukemia and damage to the nervous system. Even low-level, long-term exposure carries significant health risks.
Formaldehyde
A colorless, pungent gas that dissolves readily in water. Widely used in wood-based manufacturing (plywood, particleboard) and household cleaning products, formaldehyde causes respiratory irritation, eye and skin reactions, and is associated with increased cancer risk with prolonged exposure.
Toluene
A benzene-like hydrocarbon with an added methyl group, found in petrol, solvents, and paints. Exposure to toluene can cause dizziness, headaches, and neurological impairment — particularly in poorly ventilated environments.
Xylene
A hydrocarbon with two methyl groups, used extensively in paint production, solvents, and fuels. Xylene exposure affects the eyes, respiratory system, and nervous system, and can be especially hazardous in occupational settings.
Where Do VOCs Come From?
VOC emissions come from a surprisingly wide range of sources — both natural and human-made:
Natural Sources
Decomposing organic matter — When plants and animals break down, bacteria release VOCs such as methane and ethylene as byproducts
Natural seepage — Petroleum deposits and geothermal activity can release VOCs naturally into the atmosphere
Combustion Sources
Industrial fuel burning — Power generation, manufacturing facilities, and industrial boilers burning oil, coal, or gas release significant VOC emissions
Vehicle exhaust — Fossil fuel-powered vehicles are a major source of urban VOC pollution, contributing to smog formation and air quality degradation
Industrial Sources
Manufacturing processes — Production of paints, solvents, rubber, plastics, and specialty chemicals involves extensive use of VOCs
Industrial operations — Equipment cleaning, maintenance, and chemical handling all generate VOC releases that must be carefully managed
Everyday Sources
Household products — Wall paints, cleaning agents, bleaches, fuels, and dry-cleaning fluids all contain VOCs that off-gas into indoor air
Home appliances — Printers, air conditioners, and other devices can emit low levels of VOCs during operation
The Health Impact: What VOC Exposure Does to the Body
Table
Health Effect
Symptoms & Consequences
️ Irritation
Eye, nose, and throat irritation — often the first sign of exposure
Respiratory problems
Breathing difficulties, airway constriction, worsening of asthma
Neurological effects
Dizziness, confusion, insomnia, and memory impairment
⚠️ Cancer risk
Certain VOCs (notably benzene) are classified carcinogens with documented links to leukemia
Environmental Consequences: Beyond Human Health
VOCs don’t just affect people — they damage the world around us:
Air Quality
VOCs react with nitrogen oxides in sunlight to form photochemical smog — the hazy, harmful air pollution common in urban areas. This ground-level ozone damages respiratory systems and reduces visibility.
Water Quality
When VOCs enter water bodies through spills or runoff, they become toxic to aquatic life — disrupting ecosystems and contaminating drinking water sources.
Soil Quality
VOCs that leach into soil inhibit plant growth and degrade soil health, with long-term consequences for agriculture and natural ecosystems in contaminated areas.
Controlling VOC Emissions: A Multi-Layer Approach
1. Standards and Legislation
Thailand has established regulatory limits for key VOCs in ambient air — for example:
Benzene: ≤ 1.7 µg/m³ annually
Vinyl Chloride: ≤ 10 µg/m³ annually
The Pollution Control Department enforces industry-specific VOC emission limits, backed by legally binding regulations.
2. Monitoring and Reporting
Continuous air quality monitoring in high-risk zones — near industrial facilities and fuel storage sites — tracks VOC levels in real time
Industry self-auditing ensures ongoing compliance and transparency in emissions reporting
⚙️ 3. Source Control
Vapor recovery systems at fuel storage facilities and service stations capture VOC emissions before they escape into the atmosphere
Process optimization in manufacturing reduces VOC usage and improves efficiency — achieving the same output with lower chemical inputs
4. Public Awareness and Participation
Community education on VOC risks and safe product use empowers people to reduce personal exposure
Environmental governance frameworks that include public participation create shared accountability for air quality in communities
How VOCs Are Measured: The Science of Detection
Accurate VOC measurement is the foundation of effective control — and the methods vary depending on whether you’re testing air, water, or soil.
VOC Measurement in Air
Sample Collection Air samples are collected using adsorption tubes or continuous sampling systems, where VOCs are captured at low temperatures onto an adsorbent material for later analysis.
Key Technologies:
Table
Technology
How It Works
PID (Photoionization Detector)
Uses a UV lamp to ionize organic gases, enabling rapid real-time concentration measurements in the field
GC-MS (Gas Chromatography–Mass Spectrometry)
Separates and identifies individual VOC compounds with high precision — the gold standard for laboratory air analysis
Result: Real-time concentration data that enables immediate response to pollution events and supports regulatory compliance monitoring.
VOC Measurement in Water
Sample Collection Water samples are collected in sealed, airtight containers to prevent evaporation during transport to the laboratory — a critical step that preserves sample integrity.
Key Technologies:
Table
Technology
How It Works
GC-MS
Analyzes VOCs in water after sample preparation (e.g., salting out to concentrate compounds) for precise identification and quantification
HSGC (Headspace Gas Chromatography)
Forces dissolved VOCs to volatilize into the headspace above the sample, then analyzes the vapor — ideal for water matrices
Result: Accurate VOC concentration data essential for drinking water safety assessments and environmental compliance monitoring.
VOC Measurement in Soil
Sample Collection Soil samples are collected from multiple locations and sealed immediately in airtight containers to minimize VOC loss through evaporation — maintaining the reliability of results.
Key Technologies:
Table
Technology
How It Works
SPE (Solid Phase Extraction)
Isolates and purifies VOC compounds from the soil matrix before analysis
GC-MS
Identifies and quantifies VOC contaminants in soil with high sensitivity and specificity
Result: Soil VOC data enables comprehensive environmental risk assessment — particularly critical for sites with a history of industrial activity, fuel spills, or chemical contamination.
Why Professional VOC Analysis Matters
Whether you’re an industrial operator managing emissions compliance, an environmental consultant assessing a contaminated site, or a manufacturer verifying product safety, accurate VOC analysis requires both sophisticated instrumentation and experienced scientific interpretation.
The consequences of getting it wrong — regulatory penalties, health liabilities, environmental damage — are far greater than the cost of getting it right.
ALS Testing Services (Thailand) Co., Ltd. _ Your VOC Analysis Partner
ALS Testing Services (Thailand) Co., Ltd. provides comprehensive VOC analysis across air, water, and soil matrices — powered by advanced analytical technology and a team of experienced specialists.
Our capabilities include:
✅ GC-MS analysis for precise VOC identification and quantification
✅ Headspace GC for liquid and water-phase VOC testing
✅ Field and laboratory sampling support
✅ Results delivered to international standards with full technical interpretation
Tel: +(66) 2700 9665
Email: pathumthani@alsglobal.com
From regulatory compliance to product safety verification — contact ALS Testing today for VOC analysis you can rely on.
Read moreMay 13, 2026
Component Cleanliness: The Hidden Factor That Keeps Industry Running
When Clean Isn’t Just Tidy — It’s Critical
In precision manufacturing, a single microscopic particle in the wrong place can bring an entire system to a halt. Component cleanliness — the rigorous process of ensuring that manufactured parts are free from contamination — is one of the most important yet often overlooked disciplines in modern industry.
Whether you’re producing automotive parts, aircraft components, electronic assemblies, or industrial machinery, contamination control isn’t a finishing step. It’s a fundamental quality requirement that directly impacts performance, safety, and service life.
7 Reasons Component Cleanliness Can’t Be Ignored
1. Preventing Wear and Component Damage
Unwanted particles — dust, metal shavings, oil residues — act like sandpaper inside precision mechanisms. When contaminants infiltrate moving parts, they accelerate friction and wear, causing components to degrade far faster than designed. Proper cleaning dramatically extends component service life and protects the investment in precision manufacturing.
⚙️ 2. Eliminating Jamming and Operational Irregularities
In systems where components move or interact — such as engines, hydraulic circuits, or pneumatic systems — even minor contamination can disrupt smooth operation. The result? Sluggish movement, unexpected jamming, or complete system seizure. Clean components move as designed: reliably, smoothly, and without interruption.
3. Reducing Fire and Explosion Risk
In chemical processing and aerospace applications, contamination isn’t just a mechanical problem — it can be a safety hazard. Accumulated chemical residues or reactive substances inside components can trigger unintended chemical reactions or generate dangerous heat buildup. Regular cleaning eliminates this risk before it becomes a crisis.
4. Protecting Product Quality
In electronics and pharmaceutical manufacturing, even trace-level contamination on sensitive components can compromise the entire product — causing functional defects, failed inspections, or non-compliance with quality standards. Component cleanliness ensures that what comes off the production line meets specification, every time.
5. Preventing Cascading Production Problems
Contamination doesn’t stay in one place. Dirty components introduce particles into manufacturing equipment, causing blockages, inconsistent outputs, and efficiency losses that compound over time. Cleaning at each stage of production keeps the entire manufacturing process running smoothly — preventing small problems from becoming expensive shutdowns.
6. Reducing Maintenance Costs
Clean components simply last longer and break down less frequently. By preventing contamination-related damage, regular cleanliness protocols significantly reduce repair and replacement costs — delivering measurable savings over the life of equipment and machinery.
7. Meeting Industry Standards and Regulatory Requirements
Component cleanliness is not just good practice — in many industries, it’s a mandatory requirement. Standards such as ISO, ASTM, VDA 19, and ISO 16232 define specific cleanliness thresholds that must be met. Compliance protects product quality, supports certification, satisfies legal obligations, and demonstrates a genuine commitment to safety.
The Bottom Line
Component cleanliness is one of the most cost-effective investments in manufacturing quality. When contamination is controlled:
✅ Components last longer ✅ Systems run more reliably ✅ Production processes stay efficient ✅ Safety risks are minimized ✅ Products consistently meet international standards
Neglecting it, on the other hand, invites a cascade of preventable failures — from premature wear and system downtime to product recalls and safety incidents.
ALS Testing: Your Partner in Cleanliness Verification
ALS Testing Services provides a comprehensive range of component cleanliness testing and analysis capabilities — giving you the scientific data to verify cleanliness levels, identify contamination sources, and make confident quality decisions.
Our Testing Instruments and Capabilities
Table
Instrument / Method
What It Does
FT-IR & FT-IR Microscopy
Identifies organic contaminants, polymer residues, and unknown substances on component surfaces
Liquid Particle Counter (LPC)
Measures and counts suspended particles in liquid — ideal for hydraulic fluids and cleaning baths
VDA 19 / ISO 16232-2018 Particle Analysis
Industry-standard measurement and counting of particles on automotive components
Ion Chromatography (IC)
Quantifies residual ionic contamination — critical for corrosion prevention and electronic reliability
HPLC (High Performance Liquid Chromatography)
Separates and analyzes complex chemical mixtures including coatings, additives, and process residues
SEM/EDX
High-resolution surface imaging combined with elemental analysis — pinpoints the composition and origin of contamination particles
GC/MS (Liquid & Gas Sample Preparation)
Identifies and quantifies volatile and semi-volatile organic compounds in both liquid and gas-phase samples
Why Choose ALS?
✅ ISO/IEC 17025 accredited laboratory — internationally recognized, reliable results
State-of-the-art analytical instruments — the right tool for every contamination challenge
Experienced specialist team — expert interpretation and actionable recommendations
Serving multiple industries — automotive, electronics, aerospace, pharmaceutical, and more
Contact ALS Testing Services (Thailand)
ALS Testing Services (Thailand) Co., Ltd. Advanced chemical analysis and materials testing — powered by modern technology and specialist expertise.
Tel: +(66) 2700 9665
Email: pathumthani@alsglobal.com
Don’t leave cleanliness to chance. Contact our team today to find the right testing solution for your components and your industry.
Read moreMay 13, 2026
PCB Testing: Ensuring Every Circuit Performs When It Matters Most
The Tiny Board Behind Every Big Technology
From the smartphone in your pocket to life-saving medical devices and satellite systems, Printed Circuit Boards (PCBs) are the invisible backbone of modern electronics. These precisely engineered boards use etched copper pathways on insulating substrates to mount and connect electronic components — and when they fail, everything built around them fails too.
That’s why PCB testing isn’t optional. It’s essential.
Comprehensive testing throughout the design, manufacturing, and assembly stages is the only reliable way to ensure a PCB will perform consistently and safely — across every application, in every environment it was built for.
Why PCB Testing Is Non-Negotiable
1. Quality Assurance That Protects Your Product
A PCB defect doesn’t stay confined to the board — it becomes a system failure. Testing identifies and resolves issues before a defective board ever makes it into a finished product, safeguarding both performance and reliability.
2. Catching Problems Early Saves Money
The earlier a defect is found, the cheaper it is to fix. Detecting a fault on the production line costs a fraction of what it costs to address the same problem after assembly, shipping, or — worst of all — after a customer complaint. PCB testing directly reduces rework, scrap, warranty claims, and recall costs.
3. ️ Reliability Where It Counts Most
PCBs power some of the world’s most critical systems — medical devices, aerospace equipment, industrial controls. In these applications, failure isn’t just inconvenient; it can be dangerous. Rigorous testing ensures every board meets the reliability standards required to perform under demanding, real-world conditions.
4. Defect Detection Across the Full Spectrum
PCB testing covers a wide range of potential failure modes:
Short circuits and open circuits
Soldering defects
Component misplacement or misalignment
Material inconsistencies
Thorough testing catches these issues systematically — not by chance.
5. ✅ Process Verification, Not Just Product Inspection
PCB testing isn’t just about finding what went wrong — it verifies that the entire manufacturing process is working correctly. From etching and drilling to soldering and component placement, testing confirms that every step consistently meets specification.
6. ⚡ Functional Verification
Beyond physical inspection, PCBs must be verified to work as intended. This means testing:
Electrical connectivity
Signal integrity
Component functionality across the entire board
7. ️ Environmental Stress Testing
Depending on the application, PCBs may face extreme temperatures, high humidity, vibration, or thermal cycling in service. Environmental testing determines whether a board can withstand these stresses without performance degradation — a critical checkpoint for any product going into challenging conditions.
Testing Standards: The Framework for PCB Quality
PCB testing is governed by widely recognized international standards that define acceptance criteria and test methodologies. The most commonly applied specifications include:
Table
Standard
Application
IPC-6012
Qualification and performance for rigid PCBs
IPC-6013
Flexible and rigid-flex printed boards
IPC-6016
High-density interconnect (HDI) boards
IPC-6018
Microwave end-product boards
MIL-PRF-55110
Military-grade rigid PCBs
MIL-P-50884
Military flexible printed wiring
MIL-PRF-31032
Military printed circuit board manufacturing
Testing to these standards ensures your PCBs meet both commercial and defense-grade quality benchmarks — supporting certification, supplier qualification, and market access globally.
ALS PCB Testing Capabilities
ALS Testing provides a comprehensive suite of PCB testing services covering both raw materials and fully assembled PCAs (Printed Circuit Assemblies). Our capabilities include:
Ionic Cleanliness Testing (IC / ROSE)
Ionic Contamination (IC) testing and Resistivity of Solvent Extract (ROSE) testing measure the level of ionic contamination on a PCB surface — residues from flux, cleaning agents, or handling that can cause corrosion, current leakage, or dendritic growth over time.
Even trace ionic contamination can significantly shorten a PCB’s service life, particularly in high-humidity environments.
Advanced Instrumental Analysis: FT-IR & SEM/EDX
FT-IR (Fourier Transform Infrared Spectroscopy) Identifies organic compounds, polymer residues, contaminants, and coating materials on PCB surfaces. Ideal for pinpointing the chemical nature of unknown substances affecting board performance.
SEM/EDX (Scanning Electron Microscopy with Energy Dispersive X-ray Analysis) Delivers high-resolution surface imaging combined with precise elemental analysis — enabling detailed investigation of solder joint quality, surface contamination, corrosion mechanisms, and coating integrity at the microscale.
IPC-TM-650 Test Methods
A comprehensive set of standardized test procedures covering mechanical, chemical, electrical, and environmental properties of PCB materials and assemblies — the industry’s definitive testing reference.
️ Thermal Analysis: DSC & TGA
DSC (Differential Scanning Calorimetry) Measures thermal properties such as glass transition temperature (Tg), melting point, and cure state of PCB laminates — critical data for predicting how a board will behave at operating temperatures.
TGA (Thermogravimetric Analysis) Evaluates material stability and decomposition behavior under heat — essential for understanding the long-term thermal durability of PCB materials.
Cross-Section Analysis
One of the most revealing techniques in PCB failure investigation. Cross-sectioning exposes the internal structure of through-holes, vias, solder joints, and plating layers — allowing direct visual assessment of manufacturing quality and the root cause of failures that aren’t visible from the surface.
The ALS Advantage: Experience You Can Rely On
ALS Testing has been delivering PCB quality testing for many years, building deep expertise across a wide range of board types, standards, and failure scenarios.
When a problem is detected, our team doesn’t just report a result — we help you understand it. From evaluating overall board quality to conducting thorough failure analysis, ALS provides the scientific insight and technical guidance needed to resolve issues efficiently and prevent them from recurring.
Summary: Build Boards You Can Trust
PCB testing is one of the highest-return investments in electronics manufacturing. It protects your product quality, reduces costs, ensures regulatory compliance, and — most importantly — ensures that the products you put into the world work reliably for the people who depend on them.
Whether you’re qualifying new materials, investigating a field failure, or implementing ongoing quality control, ALS Testing has the accreditation, the instruments, and the expertise to deliver results you can act on.
ALS Testing Services (Thailand) Co., Ltd. Advanced chemical analysis and materials testing
— powered by modern technology and specialist expertise.
Tel: +(66) 2700 9665
Email: pathumthani@alsglobal.com
Let’s make sure your PCBs perform exactly as designed — every time. Reach out to our team today.
Read moreMay 13, 2026
Particle & Contamination Analysis for Automotive Components
VDA 19 / ISO 16232 — Under ISO/IEC 17025 Accreditation
Why Cleanliness Is Critical in Automotive Manufacturing
In automotive manufacturing, invisible contamination can cause very visible — and very costly — failures. Microscopic particles left on components can block hydraulic systems, wear down precision surfaces, and trigger electronic malfunctions. That’s why the automotive industry has developed rigorous international standards to control component cleanliness.
ALS Testing provides comprehensive particle measurement, counting, and analysis services for automotive components in full compliance with VDA 19 and ISO 16232:2018 — the two most important cleanliness standards in the global automotive supply chain — conducted within our fully ISO/IEC 17025 accredited laboratory.
Our testing goes beyond simple quality checks. It supports new product development, drives manufacturing process improvements, and provides the scientific data needed to protect product performance and safety in the field.
The Two-Stage Testing Process: VDA 19 / ISO 16232
ALS holds accreditation specifically covering ISO 16232 testing within the scope of our ISO/IEC 17025 certification. Our testing follows a structured two-stage methodology:
Stage 1: Decline Test — Validating Extraction Parameters
Before full particle analysis can begin, it’s essential to confirm that the extraction process itself is working correctly for your specific component. This is what the Decline Test establishes.
How it works:
The component undergoes a controlled extraction process to remove particles from its surface and internal passages
The extraction fluid is filtered through a membrane filter
The filter is analyzed using a Particle Analyzer
This process is repeated six times on the same component, yielding six individual filter membranes
Results from all six filters are plotted on a graph and evaluated against VDA 19 / ISO 16232 acceptance criteria
✅ If the results meet the standard’s requirements, the extraction parameters are validated — and the process moves on to Stage 2.
Think of this as calibrating your measurement process before taking the actual measurement. It’s what separates reliable data from guesswork.
Stage 2: Particle Analysis — Size, Quantity, and Classification
With validated extraction parameters in place, the component undergoes its full particle analysis according to VDA 19 standards. The extraction fluid is filtered and the membrane is examined using a Particle Analyzer to determine:
Table
Parameter
What It Tells You
Quantity
How many particles are present
Size
The dimensional range of particles detected
Type
What the particles are made of
Particle Classification
All detected particles are categorized into three types:
Metallic — Metal particles from machining, wear, or assembly
Non-Metallic — Rubber, plastic, ceramic, or mineral particles
Fiber — Natural or synthetic fiber contamination
Going Deeper: Advanced Identification Techniques
When standard particle analysis isn’t enough — for example, when you need to know the exact elemental composition or chemical identity of a contaminant — ALS applies specialized analytical techniques.
For Metallic Particles: SEM/EDX Analysis
Scanning Electron Microscopy with Energy Dispersive X-ray Analysis (SEM/EDX) is the gold standard for characterizing metallic particles at the microscopic level.
How It Works
SEM directs a focused electron beam across the particle surface, generating high-resolution images that reveal surface morphology and structural detail at the micrometer scale
EDX detects the characteristic X-rays emitted when the electron beam interacts with atoms in the sample — effectively producing a unique elemental fingerprint for each material
What SEM/EDX Can Tell You
Table
Capability
Application
Elemental composition at micrometer level
Identify what metal alloy a particle came from
Chemical mapping across a surface
Visualize element distribution in coatings or alloys
Surface and structural defect analysis
Detect cracks, wear patterns, and coating failures
Corrosion characterization
Trace signs of oxidation or chemical attack
Coating thickness and layer analysis
Verify coating integrity and uniformity
Why It Matters
SEM/EDX doesn’t just identify that a metallic particle exists — it tells you exactly where it came from. That’s the information you need to trace contamination back to its source in the manufacturing process and fix it permanently.
For Non-Metallic Particles & Fibers: FT-IR Analysis
Fourier Transform Infrared Spectroscopy (FT-IR) is the technique of choice for identifying non-metallic materials such as plastics, rubbers, resins, and fibers.
How It Works
Every chemical compound absorbs infrared light in a unique pattern — essentially a molecular fingerprint. FT-IR measures how a sample absorbs infrared radiation across different wavelengths, then matches that pattern against reference libraries to identify the material with high confidence.
Sample Types FT-IR Can Analyze
Table
State
Examples
Solid
Plastics, rubber, synthetic and natural fibers
Liquid
Cleaning agents, paints, oils, adhesives
Gas/Vapor
Volatile organic compounds
FT-IR Capabilities at ALS
High-Sensitivity MGT-A Detector — ensures precise, reliable measurements even at trace levels
Interchangeable Accessories (VATR, Liq-Cell, ZnSe Compression Cell) — enables analysis of samples in any physical state
Nicolet Nic-Plan Microscope — specialized for analyzing microscopic particles and trace contaminants
Applications
✅ Qualitative Analysis — Identify polymers, resins, adhesives, oils, and unknown contaminants ✅ Quantitative Analysis — Measure the concentration of specific chemical components in a sample
Key Advantages
Requires only a tiny sample — ideal for microscopic contaminants
Non-destructive — the sample can be preserved for further testing if needed
Fast and accurate — results are typically available quickly without complex preparation
Industries Served at ALS Pathumthani
FT-IR testing at ALS supports a broad range of sectors:
Automotive
Electronics & IT
Telecommunications
Plastics & Polymers manufacturing
Why Particle Analysis Matters to Your Business
Particle and contamination analysis isn’t just a laboratory exercise — it delivers measurable business value across the entire manufacturing operation.
✅ Tighter Quality Control
Understanding particle size and distribution enables manufacturers in automotive, food, pharmaceutical, and chemical industries to consistently meet product specifications — and catch deviations before they reach the customer.
⚙️ Optimized Production Processes
By monitoring particle characteristics in real time, manufacturers can fine-tune process conditions continuously — ensuring consistent output and reducing variability that leads to defects.
⏱️ Faster Problem Detection
Online particle analysis techniques enable real-time process monitoring, dramatically reducing the delays and blind spots associated with offline sampling. When something goes wrong, you find out immediately — not at the end of the production run.
Stronger R&D Capability
For research and development teams, particle analysis provides the material behavior data needed to design better products, develop new formulations, and understand how materials perform under real-world conditions.
Cross-Industry Applicability
The value of particle analysis extends well beyond automotive:
Table
Industry
Application
Food
Controlling powder particle size for texture and consistency
Pharmaceutical
Verifying drug particle size for efficacy and bioavailability
Chemical
Managing reagent and product particle size in manufacturing
Electronics
Detecting contamination in precision components
Reduced Production Costs
Better quality control means fewer defective products, less rework, and fewer costly recalls. Investing in particle analysis pays for itself through the waste and failure costs it prevents.
Why Choose ALS for VDA 19 / ISO 16232 Testing?
Table
What We Offer
What It Means for You
✅ ISO/IEC 17025 accredited
Results recognized internationally
Full VDA 19 / ISO 16232 scope
End-to-end testing under a single accredited roof
⚙️ Advanced SEM/EDX & FT-IR capability
Deep-dive identification when standard analysis isn’t enough
Experienced specialist team
Accurate analysis and actionable interpretation
Comprehensive reporting
Clear results ready for customer submission or internal QC
Ready to take control of component cleanliness? Contact ALS Testing Services (Thailand) Co., Lt. today to discuss your VDA 19 / ISO 16232 testing requirements — and let our experts help you meet the standards your customers and partners demand.
Tel: +(66) 2700 9665
Email: pathumthani@alsglobal.com
Read moreMay 13, 2026
Corrosion Testing & Salt Spray Test: How Strong Is Your Material Against the Elements?
When Rust Is More Than Just Ugly — It’s a Safety Risk
Every material degrades over time. But in industries where structural integrity is non-negotiable — construction, transportation, energy, aerospace, and marine — corrosion isn’t just a cosmetic issue. It’s a safety and business liability.
Corrosion testing gives manufacturers, engineers, and quality managers the data they need to answer a critical question before it becomes a costly problem: How long will this material last — and what will make it fail?
What Is Corrosion Testing?
Corrosion occurs when materials — particularly metals — react chemically with their environment. Water, oxygen, exhaust gases, acids, and alkalis are all common culprits. Corrosion testing is the systematic process of evaluating how well a material resists these reactions under controlled conditions.
The Four Goals of Corrosion Testing
Table
Objective
Why It Matters
⏳ Predict service life
Know how long a material will perform before it degrades
Select the right material
Match materials to specific environmental conditions — humidity, acidity, temperature
Improve production processes
Refine surface coatings or switch to more durable material options
️ Enhance safety
Prevent degradation that could lead to structural failure or hazardous conditions
The Gold Standard: Salt Spray Testing
Among all corrosion tests, the Salt Spray Test — also known as the Salt Fog Test — is one of the most widely used and internationally recognized methods for evaluating corrosion resistance.
By recreating a salt-laden, high-humidity atmosphere inside a controlled test chamber, the Salt Spray Test simulates the kind of corrosive environment that materials face in coastal regions, marine applications, and harsh outdoor settings — in a matter of hours or days, rather than months or years.
It’s the go-to test for industries including automotive manufacturing, aerospace, marine engineering, and construction — anywhere that materials must stand up to salt exposure over time.
How Does the Salt Spray Test Work?
The test follows a clear, standardized process designed to deliver consistent, reproducible results:
Step-by-Step Process
Step 1: Sample Preparation Test specimens are thoroughly cleaned and prepared to remove any surface contaminants that could interfere with accuracy. A clean baseline is essential for meaningful results.
⚙️ Step 2: Chamber Setup The test chamber is calibrated to precise environmental conditions as specified by the relevant standard — typically 35°C with controlled humidity — creating a uniform corrosive atmosphere for every test.
Step 3: Salt Fog Exposure A sodium chloride (NaCl) solution is atomized into a continuous fine mist within the sealed chamber. Specimens are exposed to this salt fog for a defined period — commonly 48, 96, or 240+ hours — depending on the standard and application requirements.
Step 4: Inspection and Evaluation Once the test period ends, each specimen is carefully examined for signs of corrosion damage, including:
Rust formation
Surface discoloration
Blistering or swelling
Cracking or delamination of coatings
International Standards: Testing You Can Trust Globally
Salt Spray Testing is governed by internationally recognized standards that ensure results are accurate, comparable, and credible across borders:
Table
Standard
Scope
Primary Industries
ASTM B117
The most widely adopted Salt Spray standard worldwide
Automotive, metal components
ISO 9227
International standard for salt corrosion testing
Construction materials, industrial equipment
JIS Z 2371
Japanese standard for Salt Spray testing
Machinery, industrial devices
Testing to these standards means your results are recognized by international buyers, regulatory bodies, and certification authorities — a critical advantage in export markets.
Reading the Results: What Does Your Material’s Performance Tell You?
Salt Spray Test outcomes provide clear, actionable insights into a material’s corrosion resistance:
Rust Formation
The appearance of rust is a direct indicator that the material’s protective barrier has been compromised. The earlier rust appears, the weaker the corrosion resistance.
Surface Discoloration
A material with strong corrosion resistance maintains its original color and appearance. Discoloration signals chemical breakdown at the surface.
Blistering or Cracking
Coating failure often appears as bubbling, peeling, or cracking — indicating that the protective layer has lost adhesion and can no longer shield the base material.
Where Salt Spray Testing Makes a Difference: Industry Applications
Automotive
Steel frames, alloy components, and exterior body parts are routinely tested to ensure they can withstand road salt, rain, and coastal driving conditions over the vehicle’s lifespan.
✈️ Aerospace
Aircraft components are exposed to high-altitude humidity and condensation. Salt Spray testing validates that critical parts maintain structural integrity in these demanding environments.
⚓ Marine
For vessels, offshore structures, and port infrastructure, resistance to saltwater corrosion isn’t optional — it’s essential. Salt Spray testing confirms that marine-grade materials live up to their name.
️ Construction
Structural fasteners, reinforcement materials, and cladding systems used in coastal or high-humidity environments must be rigorously tested before they’re trusted with long-term structural loads.
Maintaining Test Equipment: The Overlooked Key to Reliable Results
Even the best-designed test is only as good as the equipment running it. To ensure consistent, trustworthy results, Salt Spray test chambers require:
Regular cleaning — to prevent residue buildup that alters test conditions
Routine calibration — to verify that temperature, humidity, and spray concentration remain within specification
Periodic chamber inspection — to confirm structural integrity and seal performance
Skipping maintenance doesn’t just affect results — it can compromise the credibility of your entire testing program.
Summary: Why Salt Spray Testing Belongs in Your Quality Process
The Salt Spray Test is one of the most practical and cost-effective tools available for evaluating corrosion resistance. It delivers fast, standardized, internationally recognized results that help manufacturers:
✅ Validate material and coating performance before production
✅ Meet international quality and export requirements
✅ Identify weaknesses early — before they reach your customers
✅ Build products that genuinely last in the real world
Whether you’re developing a new coating system, qualifying a supplier’s materials, or troubleshooting a corrosion complaint from the field, Salt Spray testing gives you the answers you need — backed by science and international standards.
ALS Testing Services (Thailand) Co., Ltd. — Your Partner in Corrosion Testing
ALS Testing Services (Thailand) Co., Ltd. provides comprehensive chemical analysis and material testing services, powered by advanced technology and a team of experienced analytical specialists.
We offer Salt Spray Testing in full compliance with ASTM B117, ISO 9227, and JIS Z 2371, conducted within our ISO/IEC 17025 accredited laboratory — delivering results you can rely on and present with confidence to clients and regulators worldwide.
Tel: +(66) 2700 9665 Email: pathumthani@alsglobal.com
Ready to put your materials to the test? Contact us today and let our experts guide you toward the right testing solution for your product and industry.
Read moreMay 13, 2026
Why Getting to the Root of the Problem Changes Everything
What separates good manufacturers from great ones? It’s not just the ability to build products — it’s the ability to understand why they fail, and prevent it from happening again.
Failure analysis and reliability testing sit at the heart of modern quality engineering. Organizations that invest in these processes consistently achieve lower costs, higher customer satisfaction, and stronger market reputations. The numbers back this up: studies show that 73% of production defects can be prevented when the right failure prevention methods are in place.
Let’s break down exactly what these processes involve — and why they matter to your business.
Part 1: Failure Analysis — Finding the Real Cause, Not Just the Symptom
What Is Failure Analysis?
Failure analysis is the systematic process of tracing a problem back to its true origin — whether in the manufacturing process, the machinery, or the material itself. Think of it as forensic science for your production line.
The goal isn’t just to fix what went wrong. It’s to understand why it went wrong — so it never happens again.
Why It Matters
✅ Identifies the root cause of production problems, not just surface symptoms
Leads to targeted, effective corrective actions
⏱️ Reduces wasted time and resources in future production cycles
Prevents costly product recalls before they ever occur
Does your business have a systematic failure analysis process in place? If not, you may be one production run away from an expensive recall.
ALS offers a range of specialized testing methods to help clients pinpoint the exact cause of damage or defects — whether related to contamination, material inconsistencies, or process-related issues.
Failure Analysis Services at ALS
Optical Microscope Examination The essential first step in any failure investigation. Optical microscopy reveals surface defects, cracks, chips, and structural anomalies that are invisible to the naked eye — providing a rapid, cost-effective overview before more advanced techniques are applied.
Scanning Electron Microscopy (SEM) When optical microscopy isn’t enough, SEM takes you deeper. With magnification capabilities far beyond conventional microscopes — and built-in EDX capability for precise elemental composition analysis — SEM is the go-to technique for detailed failure characterization. It answers not just what failed, but what the material is made of at the point of failure.
Foreign Material Identification Contamination is one of the leading causes of product failures across industries. This service identifies and characterizes unwanted foreign substances in products — critical for food, pharmaceutical, and electronics manufacturing, where even trace contamination can have serious consequences.
Micro-metrological Measurements Precision dimensional analysis at the microscale, including:
Step height measurement
Surface flatness measurement
Surface roughness measurement
These measurements detect dimensional deviations at the micrometer level — catching issues that would otherwise go unnoticed until a product fails in the field.
FT-IR Microscopy Analysis Ideal for identifying organic compounds and polymer materials, FT-IR microscopy can accurately characterize materials and contaminants at the microscopic level. It’s an essential tool for the plastics and polymer industries, and widely used in international reliability testing standards.
Cross-sectional Analysis Sometimes you need to look inside. Cross-sectional analysis reveals the internal structure of a material or component — making it invaluable for evaluating coating integrity, layer adhesion, and interface quality between dissimilar materials. The insights gained directly inform process improvements and defect prevention strategies.
Part 2: Reliability Testing — Proving Your Product Will Go the Distance
What Is Reliability Testing?
A product might look perfect coming off the production line. But will it still perform six months later, in a humid warehouse in Southeast Asia, or under the hood of a car in the middle of a desert summer?
Reliability testing answers that question — before your customers do.
It’s the process of evaluating whether a product or material will function correctly throughout its expected service life, under realistic operating conditions. By simulating environmental stresses in a controlled laboratory setting, reliability testing compresses years of real-world wear into days or weeks of accelerated testing.
The Business Case for Reliability Testing
Table
Benefit
Impact
️ Validated product quality and safety
Confidence before market launch
Reduced product recalls
Studies show reliability testing can cut recall rates by up to 60%
Stronger customer trust
Fewer complaints, higher loyalty
International market access
Products certified to global standards open new doors
Long-term brand reputation
Consistent quality becomes your competitive advantage
⚗️ Reliability Testing Methods
Temperature-Humidity Cycling Simulates the natural cycles of temperature and humidity that products encounter in real-world environments. This test is particularly effective at detecting material fatigue caused by repeated expansion and contraction — a common hidden cause of premature failure in electronics and structural components.
Thermal Shock Testing What happens when a product goes from freezing cold to intense heat in seconds? Thermal shock testing finds out. By exposing products to sudden, extreme temperature changes, this test reveals whether materials and joints can withstand the thermal stresses of demanding operating environments.
Chemical Compatibility Studies Not all materials play well with the chemicals around them. This testing evaluates how materials respond to chemical exposure over time — identifying degradation, swelling, or structural breakdown before it causes field failures. For industries ranging from automotive to pharmaceuticals, chemical compatibility is a non-negotiable checkpoint.
Salt Spray Chamber Testing A controlled simulation of salt-laden environments — essential for metal components used in marine, coastal, or high-humidity settings. Salt spray testing predicts corrosion resistance and helps engineers accurately estimate product lifespan under corrosive conditions.
Xenon Arc Testing (UV Weathering) Sunlight is one of the most damaging forces that outdoor products face. Xenon arc testing replicates the full spectrum of solar radiation to evaluate how materials — paints, plastics, coatings — degrade under prolonged UV exposure. Leading manufacturers use this in parallel with broader risk assessments to validate outdoor durability.
Reliability Testing by Industry: Which Tests Matter Most?
Table
Testing Method
Electronics
Automotive
Food & Pharma
Construction
Temperature-Humidity Cycling
●●●●
●●●
●●
●●
Thermal Shock
●●●●
●●●●
●
●●●
Chemical Compatibility
●●
●●●
●●●●
●●●●
Salt Spray Test
●●
●●●●
●
●●●●
Xenon Arc (UV) Test
●●
●●●
●●
●●●●
● = Relevance level (more dots = higher importance for that industry)
The Bottom Line: Failure Analysis + Reliability Testing = Competitive Advantage
In a market where quality expectations are rising and the cost of failures is higher than ever, failure analysis and reliability testing are no longer optional — they’re essential.
Together, these two disciplines give manufacturers a complete quality assurance framework:
Failure analysis tells you what went wrong and why — enabling precise, permanent fixes
Reliability testing confirms your product will perform as promised — under every condition your customer will encounter
Organizations that embrace both consistently outperform those that don’t — with lower defect rates, fewer recalls, stronger customer relationships, and a brand reputation built on genuine, proven quality.
Ready to strengthen your products with professional failure analysis and reliability testing? Contact our specialists today for a consultation tailored to your specific industry and product needs — and take the first step toward quality that your customers can count on.
Read moreMay 13, 2026
Why Failure Analysis and Reliability Begin with Understanding Your Materials
In manufacturing and engineering, using the wrong material — or not fully understanding the one you’re using — can be catastrophic. Material testing is how industry professionals eliminate that uncertainty. It ensures that every component, structure, and product performs exactly as intended, under real-world conditions.
In today’s industrial landscape, effective material testing doesn’t just improve product quality — it reduces production risks, enhances safety, and prevents costly failures before they happen.
What Is Material Testing?
At its core, material testing is a systematic process for examining and evaluating the properties of a material — how it behaves, what it can withstand, and where its limits lie. These properties fall into three key categories:
⚙️ 1. Mechanical Properties
How does the material respond when force is applied? This covers strength, flexibility, toughness, and resistance to repeated stress — the properties that determine whether a material holds up or breaks down under load.
2. Chemical Properties
How does the material interact with its environment? This includes its composition, reactivity, corrosion resistance, and behavior when exposed to chemicals — critical for products used in harsh or chemically active environments.
3. Physical Properties
What are the material’s inherent physical characteristics? Density, thermal conductivity, and electrical conductivity all fall here — properties that define how a material fits into its intended application.
Together, these three dimensions give engineers and manufacturers a complete picture of a material’s capabilities — and its vulnerabilities — before anything goes into production.
Two Fundamental Approaches to Testing
1. Destructive Testing (DT)
As the name suggests, this approach involves permanently altering or breaking the test specimen to extract precise data about its mechanical properties. It’s the go-to method when you need hard numbers and real-world simulations.
Common Destructive Tests:
Table
Test
What It Measures
Tensile Test
Strength and elasticity under pulling force
Impact Test
Toughness and resistance to sudden shock
Hardness Test
Resistance to surface deformation under pressure
Fatigue Test
Service life under repeated cyclic loading
Why it’s valuable:
Delivers accurate, quantitative data on mechanical behavior
Closely simulates real operating conditions
Backed by internationally recognized standards such as ASTM and ISO
️ 2. Non-Destructive Testing (NDT)
NDT examines materials and components without causing any damage — meaning the tested part can go straight back into service. It’s the preferred choice for quality control, in-service inspection, and detecting hidden defects.
Common Non-Destructive Tests:
Table
Test
What It Detects
Ultrasonic Testing
Internal cracks, voids, and inclusions
Radiographic Testing (X-ray)
Internal structural defects and anomalies
Liquid Penetrant Testing
Surface-breaking cracks and discontinuities
Magnetic Particle Testing
Surface and near-surface defects in ferrous materials
Why it’s valuable:
Zero damage to the component — ready to use immediately after testing
Cost-effective over the long term — no material wastage
Can be applied to structures and machinery already in service, such as bridges, pipelines, and industrial equipment
Chemical Analysis: Looking Deeper into Material Composition
Understanding a material’s physical behavior is only part of the story. Chemical analysis reveals what a material is made of and how it will react in its environment. This is especially critical in industries like hard disk manufacturing and automotive production, where contamination or compositional inconsistencies can cause serious failures.
Key Chemical Analysis Instruments
GC-MS (Gas Chromatography–Mass Spectrometry) The gold standard for detecting organic compounds and contaminants. GC-MS separates and identifies volatile substances with extraordinary precision — down to the parts per million (ppm) or even parts per billion (ppb) level. Ideal for detecting trace impurities in materials.
HPLC (High Performance Liquid Chromatography) Designed for analyzing complex liquid mixtures, particularly compounds that are non-volatile or heat-sensitive. Used to quantify surface coatings, additives, and residual substances in a wide range of materials.
IC (Ion Chromatography) A specialized technique for detecting and measuring ions in solution — particularly those responsible for corrosion. Critical for materials used in humid environments or those in contact with liquid media.
Specialized Chemical Property Testing
Chemical Resistance Testing
Studies how materials degrade when exposed to real-world chemicals
Measures changes in weight, shape, and mechanical properties after chemical exposure
Predicts service life in chemically aggressive environments
Corrosion Testing
Determines corrosion rates of metals across different environments
Investigates corrosion mechanisms and contributing factors
Evaluates the effectiveness of anti-corrosion coatings and treatments
Migration Testing
Checks whether materials release substances into food, packaging, or medical devices
Assesses safety compliance with health and regulatory requirements
Measures the quantity of released substances under simulated use conditions
The Real Business Case for Material Testing
Investing in material testing isn’t just about compliance — it’s about protecting your business at every level:
Table
Benefit
What It Means in Practice
✅ Quality Assurance
Confirms materials meet required specifications before production
Product Development
Provides the data needed to design better, smarter products
Failure Prevention
Identifies weaknesses before they become costly problems
Cost Reduction
Prevents expensive recalls, rework, and liability claims
Regulatory Compliance
Meets legal and industry requirements across sectors
Frequently Asked Questions
Q: How long does material testing take? It depends on the type of test. Basic tests can be completed in a few hours, while complex evaluations — such as fatigue testing — may take several days or even weeks. A good laboratory will give you a clear timeline upfront.
Q: How do I know which testing method is right for my material? The right method depends on your objective, the type of material, and the properties you need to evaluate. Consulting with an experienced testing specialist ensures you choose the most efficient and accurate approach for your needs.
Q: Is material testing necessary for small businesses? Absolutely. Quality failures don’t discriminate by company size. The cost of a product recall, customer complaint, or safety incident will always far exceed the cost of testing. For small businesses especially, one quality failure can be devastating — making proactive testing a smart investment, not an optional extra.
The Bottom Line
Material testing is one of the most powerful tools available to manufacturers and engineers. Whether you’re validating a new material, troubleshooting a production issue, or ensuring compliance with international standards, systematic testing gives you the knowledge to make confident decisions.
The choice between destructive and non-destructive testing, mechanical and chemical analysis, isn’t an either/or — it’s a toolkit. The best results come from selecting the right combination for your specific application.
Investing in quality material testing doesn’t just protect your products — it protects your brand, your customers, and your bottom line.
For organizations that want true confidence in their products, partnering with an ISO/IEC 17025 accredited laboratory ensures that every test is conducted with the precision, reliability, and scientific rigor your industry demands.
Ready to put your materials to the test? Work with certified experts who can guide you from sample preparation to actionable results — and help you build products that genuinely last.
Read moreMay 13, 2026
Salt Spray Test: The Quality Check Your Metal Products Can’t Afford to Skip
What Is a Salt Spray Test?
Picture this: instead of waiting years to find out whether your metal product will rust in the real world, you get a reliable answer in a matter of hours. That’s the power of the Salt Spray Test.
This internationally recognized standard method evaluates how well metals and surface coatings resist corrosion — and it’s a non-negotiable quality checkpoint for products like fasteners, automotive components, and structural engineering materials. By recreating a highly concentrated salt fog environment inside a controlled test chamber, the test artificially accelerates the corrosion process — delivering in hours what nature would take months or years to produce.
The result? A clear, data-backed prediction of how your product will hold up in the real world.
Why Metal Products Need This Test
Every metal — regardless of how well it’s manufactured — is vulnerable to rust and degradation when exposed to moisture and corrosive agents. This is especially relevant in Thailand, where a hot, humid climate and extensive coastal regions mean that salt-laden air is a daily reality for many products.
And rust isn’t just a cosmetic problem. Corrosion attacks the core mechanical properties that make metal products reliable:
️ Structural strength
Tensile resistance
️ Impact durability
⏳ Overall service life
That’s why global standards bodies — ISO, ASTM, and JIS — have established strict Salt Spray Test requirements. Failing to meet these benchmarks doesn’t just mean a lower-quality product. It means market rejection, failed certifications, and significant financial consequences.
How the Test Works: A Step-by-Step Breakdown
The Salt Spray Test follows a precise, systematic process designed to ensure consistent and reliable results:
Step 1: Sample Preparation
Metal specimens are thoroughly cleaned per ISO 8407 to remove any contaminants that could skew results. They’re then carefully positioned inside the Salt Spray Chamber at the correct angle for uniform exposure.
⚙️ Step 2: Controlled Test Conditions
The chamber maintains tightly regulated parameters throughout the test:
NaCl concentration: 5% ± 0.5%
Temperature: 35°C ± 2°C
pH level: 6.5 – 7.2
These conditions create a standardized corrosive environment that is repeatable and comparable across laboratories worldwide.
⏱️ Step 3: Test Duration by Standard
Test duration depends on the product’s intended application and the applicable international standard:
Table
Duration
Standard
Application
48 hours
ISO 9227
General consumer products
96 hours
ASTM B117
Industrial-grade components
240+ hours
JIS Z 2371
Harsh environment, high-durability products
Step 4: Evaluation and Analysis
Once the test concludes, every specimen is assessed against strict criteria:
Rust coverage — must not exceed the allowable threshold
Coating adhesion — no peeling, blistering, or delamination permitted
Remaining coating thickness — must not fall below the minimum requirement
Post-test mechanical properties — strength and durability must be retained
What Happens When Products Fail the Test?
In today’s export-driven manufacturing landscape, failing a Salt Spray Test carries consequences that go far beyond a rejected sample:
❌ Lost Certifications
Products that fail cannot obtain international quality certification — locking them out of markets with strict quality requirements.
Entire Shipments Rejected
Real-world cases from metal parts exporters show that non-compliant products can lead to full-batch rejections — with manufacturers bearing the cost of return shipping on top of lost revenue.
Long-Term Reputation Damage
A track record of delivering below-standard products erodes client trust — and trust, once lost, is difficult to rebuild. Future business opportunities quietly disappear.
Expensive Rework and Delays
Reworking rejected products means additional raw material costs, extra production time, and delayed delivery schedules — a compounding financial drain that hits your bottom line hard.
Choosing the Right Testing Partner
Not all test results are created equal. The credibility of your Salt Spray Test depends heavily on the laboratory conducting it. Here’s what to look for — and why ALS Testing delivers on every count:
Why ALS Testing?
ALS Testing is an ISO/IEC 17025 accredited laboratory — the international gold standard for testing and calibration facilities. Our Salt Spray testing services are purpose-built for the metals industry, offering:
Table
What We Offer
What It Means for You
High-precision instruments
Regularly calibrated equipment ensures consistent, reliable results every time
20+ years of expertise
Scientists and engineers with deep, hands-on knowledge of metals and corrosion
Internationally recognized reports
Test certificates accepted by global buyers, auditors, and regulatory bodies
Technical consultation
Expert guidance on how to improve your product based on test findings
The Bottom Line
The Salt Spray Test isn’t just a bureaucratic checkbox — it’s a strategic safeguard for your product quality, your export credentials, and your business reputation.
In a competitive global market, partnering with an accredited, trusted laboratory like ALS Testing gives you the confidence that your products are built to last — and the certified proof to back it up.
Don’t wait for the market to find your product’s weaknesses. Find them first.
Contact ALS Testing today to schedule your Salt Spray Test and take the next step toward internationally certified quality.
Read moreMay 6, 2026
ESG Is No Longer Just a Trend — It Is a Business Imperative
Environmental, Social, and Governance (ESG) reporting has moved from a voluntary best practice to a core business requirement. Investors, regulators, customers, and the public now expect organizations to back their sustainability claims with data that can actually be verified.
For industrial organizations, one of the most critical — and often underestimated — environmental indicators is Volatile Organic Compounds (VOCs). These invisible chemical compounds touch all three pillars of ESG, making accurate VOCs analysis far more than a technical exercise.
What Are VOCs — and Why Do They Matter for ESG?
Volatile Organic Compounds (VOCs) are chemicals that evaporate easily at room temperature. They are released during manufacturing processes, fuel combustion, and a wide range of industrial activities — often without being seen or smelled until concentrations reach harmful levels.
Their relevance to ESG spans all three dimensions:
Table
ESG Pillar
How VOCs Connect
Environment
VOCs monitoring reflects how effectively an organization controls its air emissions and environmental impact
Social
Exposure to VOCs directly affects worker health and safety — a core social responsibility
Governance
Accurate, traceable VOCs reporting demonstrates organizational transparency and accountability
VOCs data is not just a technical concentration value. It is evidence of how seriously an organization takes its responsibility to people and the planet.
Accuracy Is Everything — Here Is Why
Getting VOCs analysis right requires two things working together: proper sample collection and laboratory-grade analysis.
Portable field instruments like PID detectors are useful for quick, on-site readings — but they cannot identify specific compounds or produce the defensible results required for formal ESG reporting.
For that, laboratory analysis is essential. The most widely used technologies include:
GC-MS (Gas Chromatography–Mass Spectrometry) — the gold standard for identifying and quantifying individual VOC compounds with precision
HSGC (Headspace Gas Chromatography) — optimized for analyzing VOCs in water samples
SPE (Solid Phase Extraction) — used to prepare soil and water samples before GC-MS analysis
But technology alone is not enough. The accuracy of results also depends on:
How samples are collected and preserved
The chain of custody maintained during transport
The laboratory’s internal quality control systems
Weak processes at any of these stages can produce misleading data — and in an ESG context, misleading data carries real consequences.
VOCs Across Three Environmental Media
VOCs do not stay in one place. They migrate through air, water, and soil — which means effective monitoring requires a tailored approach for each medium.
️ Air
Air samples are collected using sorbent tubes or continuous sampling methods, then analyzed by GC-MS to identify specific compounds and concentrations. VOCs air monitoring is essential for:
Controlling workplace air quality
Assessing emission levels in and around industrial facilities
Meeting occupational health and environmental regulations
Water
Because VOCs evaporate rapidly, water sampling demands airtight containers and careful handling to prevent loss before analysis. Using HSGC combined with GC-MS delivers precise results critical for:
Evaluating water quality near industrial sites
Assessing safety for consumption or discharge
Supporting environmental impact assessments
Soil
In areas with a history of industrial activity, multi-point soil sampling ensures comprehensive coverage. Samples undergo SPE preparation before GC-MS analysis, providing data essential for:
Long-term environmental risk assessment
Contamination source identification
Regulatory compliance and site remediation planning
The Laboratory’s Role in Building ESG Credibility
In the ESG framework — particularly under Environment and Governance — environmental data must be both accurate and traceable. This is where the laboratory becomes a strategic partner, not just a service provider.
A credible accredited laboratory delivers:
✅ Rigorous quality control at every stage of analysis ✅ Calibrated instruments maintained to international standards ✅ Systematic documentation that creates a clear audit trail ✅ Results that hold up — whether submitted to regulators, included in ESG reports, or shared with investors and partners
When VOCs data comes from a reliable, accredited source, it transforms from raw numbers into verifiable proof of environmental stewardship.
Data That Means Something
In the age of ESG, the numbers in your sustainability report are scrutinized more carefully than ever. They need to be:
Accurate — reflecting what is actually happening in your operations
Traceable — supported by documented methodology and chain of custody
Credible — produced by laboratories recognized locally and internationally
A concentration value is just a number. Verifiable, well-documented VOCs data is evidence — of accountability, of transparency, and of a genuine commitment to sustainability.
Organizations that invest in rigorous VOCs analysis are not just checking a compliance box. They are building the data foundation that ESG credibility requires.
Learn more about VOCs analysis services: www.alstesting.co.th/volatile-organic-compounds-vocs
Read moreOctober 12, 2023
ALS Electronics can provide banned substance testing for consumer products to meet international regulations including EU directives 2002/95/EC. Our services cover:
RoHS compliance and other banned substances testing on WEEE
RoHS compliance and other banned substances testing on WEEE
Lead (Pb)
Mercury (Hg)
Cadmium (Cd)
Hexavalent Chromium (Cr(VI))
PBB (Polybrominated Biphenyls)
PBDE (Polybrominated Diphenyl Ethers)
Halogen free testing
Migration metals according to EN71-3 for toy safety
EU banned phthalates
REACH SVHC 16 banned substances
16 Banned PAHs
Read moreOctober 12, 2023
As electronic components get smaller, the need for cleaner parts becomes ever more critical.
Our cleanliness and micro-contaminant testing service can help to improve your components’ reliability.
FT-IR and Microscope FT-IR
Liquid-borne Particle Counter (LPC)
Particle Analyzer as required by Road vehicles – Cleanliness of components and systems (ISO 16232-2018)
Ion Chromatography (IC)
High-Performance Liquid Chromatography (HPLC)
Scanning Electron Microscope with Energy Dispersive X-ray spectroscopy (SEM/EDX)
GC/MS and Thermal Desorption GC/MS
Read moreOctober 12, 2023
To employ various analytical techniques, we can assist customer to diagnose component failures due to contamination and material related issues. We offer Failure Analysis services inclusive of below.
Optical Microscope Examination
Scanning Electron Microscope Examination
Foreign Material Identifications
Micro-metrological measurements including
Step Height Measurement
Flatness Measurement
Roughness Measurement
3D Microscopic Imaging
Microscope FT-IR Analysis
Cross sectional
Read moreOctober 12, 2023
Our Reliability test for electronic components is normally placed the sample in control environment chamber – Temperature, Humidity or Salt mist.
Temperature–humidity cycling
Thermal shock
Chemical compatibility studies
Salt spray chamber
Xenon arc test
Read moreOctober 12, 2023
Nowadays product safety and quality are the two important factor which requires in manufacturing.
It needs area that minimizes the introduction of airborne particles, control temperature, humidity, sound, free ion, bacteria, volatile gases, and etc.
Our field sampling is consisted of.
Ultrapure and DI Water Monitoring
Total Oxidisable Carbon (TOC)
Total Dissolved Silica (SiO2)
Total Bacteria Count
Trace Metals (including Zn, Fe, Cu, Al, Cr, Mn, Pb and Sn)
Ion (F–, Cl–, Br–, NO2–, NO3–, PO43-, SO42-, Li+, Na+, K+, Mg2+, Ca2+, and NH4+)
Cleanroom Air and Clean Dry Air – Volatile Organic Carbon (VOC), Ionics by impinging and Trace metals
Indoor air quality per ISO 16000-40:2019
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