Contamination Analysis of the Lower Electrode Plate in Liquid Lenses
Contamination analysis of the lower electrode plate is a critical diagnostic service for liquid lens manufacturers facing electrowetting failures, focal drift, leakage current, and image-quality defects. Using advanced surface analysis techniques such
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Liquid Silicone Rubber (LSR) Hardness Testing: Standards, Methods, and Applications
Liquid silicone rubber (LSR) hardness testing measures the indentation resistance of cured silicone elastomers using Shore A, Shore 00, and IRHD methods in accordance with standards such as ASTM D2240, ISO 48, ISO 7619-1, and GB/T 531.1. Accurate hardn
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Liquid Failure Cause Analysis: Diagnostic Methods, Testing Standards, and Industrial Applications
Liquid failure cause analysis is a systematic diagnostic process used to identify why industrial fluids such as hydraulic oils, lubricants, coolants, and insulating liquids degrade or lose performance. By combining physical, chemical, and contamination
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Formaldehyde Factory Testing and Inspection for Coatings: Standards, Methods, and Quality Control
Formaldehyde factory testing for coatings is a critical ex-factory quality control step that verifies the free formaldehyde content of paints, wood coatings, and putties before each production batch is released to the market. This technical guide expla
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Determination of Tensile Strength of Coatings: Standards, Methods, and Applications
Tensile strength determination is one of the most fundamental mechanical tests for evaluating the performance, durability, and film-forming quality of coatings. This article provides a comprehensive technical guide to tensile strength testing of paints
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Scraper Fineness of Grind Determination for Coatings: Principles, Standards and Testing Procedure
The scraper fineness determination, also known as the fineness of grind test, is a fundamental quality-control method that measures how finely pigments and extenders are dispersed in liquid coatings, inks and pigment dispersions using a precision grind
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Oxygen Transmission Rate (OTR) Testing of Coated Materials
Oxygen transmission rate (OTR) testing measures the steady-state permeation of oxygen through coated materials, providing the critical barrier-performance data needed for packaging design, quality control, and shelf-life validation. This technical arti
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Coated Test Panel Testing Methods: A Complete Technical Guide
Coated test panel testing methods are essential procedures for evaluating the adhesion, thickness, hardness, corrosion resistance, and overall performance of coatings applied to standardized metal or non-metal substrates. This technical guide explains
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Hydrogen Fluoride Corrosion Resistance Evaluation for Protective Coatings
Hydrogen fluoride (HF) corrosion resistance evaluation is a specialized laboratory testing service that verifies whether protective coatings and linings can withstand one of the most aggressive industrial chemicals encountered in refineries, semiconduc
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Coating Flame Spread Rate Testing: Standards, Methods, and Technical Requirements
Coating flame spread rate testing measures how quickly fire propagates across a coated surface, providing critical data for fire safety classification, regulatory compliance, and product certification. This testing is essential for evaluating fire-reta
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Residual Stress Determination for Combustion-Sprayed and Vibration-Treated Coatings
Residual stress determination for coatings produced by combustion-based spraying and subsequently modified by vibration treatment is essential for predicting adhesion strength, fatigue life, dimensional stability, and long-term service reliability. Thi
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Electrochemical Determination of Coating Porosity: Principles, Methods, and Applications
Electrochemical determination of coating porosity is a quantitative testing technique that evaluates the continuity, defect density, and corrosion-protective capability of metallic, conversion, and organic coatings by measuring electrochemical response
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