Determination of Absolute Viscosity of Liquids: Principles, Test Methods, and Applications
Absolute viscosity, also known as dynamic viscosity, quantifies a liquid's internal resistance to flow and serves as a critical quality parameter in the lubricant, coating, polymer, pharmaceutical, and food industries. This technical article explains
Read More
Liquid Rheological Properties Analysis: Principles, Test Methods, and Industrial Applications
Liquid rheological properties analysis is a specialized laboratory discipline that characterizes how fluids flow and deform under controlled shear, temperature, and time conditions. By measuring parameters such as dynamic viscosity, yield stress, thixo
Read More
Aluminum Residue Testing in Jellyfish Products: Experimental Methods, Standards, and Compliance
Jellyfish products such as salted jellyfish heads and skins are traditionally cured with alum (aluminum-containing salts), making residual aluminum a critical food safety parameter for manufacturers and regulators. This article presents a complete labo
Read More
Component Analysis of Coating Pyrolysis Products: Techniques, Standards and Applications
Coating pyrolysis product composition analysis identifies and quantifies the chemical species released when paints, coatings, and coating binders undergo thermal decomposition. Using advanced techniques such as TGA-FTIR, TGA-MS, and pyrolysis-GC/MS, ac
Read More
Rapid Drying Time Testing of Coatings: Standards, Methods, and Industrial Applications
Coating drying time testing is a critical quality control parameter that determines how quickly a paint or coating transitions from wet application to a handleable, recoatable, and fully cured film. Rapid drying time tests based on ASTM D1640, ASTM D58
Read More
Determination of Triphenyltin (TPT) Migration in Coatings: Testing Principles, Standards, and Analyt
Triphenyltin (TPT) migration testing measures how much of this restricted organotin biocide can leach out of a dried coating film under simulated real-world contact conditions such as skin contact, mouthing, or seawater immersion. Accredited third-part
Read More
Fire Retardant Performance Testing of Coatings: Standards, Methods and Technical Requirements
Fire retardant performance testing of coatings is a critical quality assurance process that evaluates the ability of protective coatings to inhibit flame spread, reduce heat release, and delay structural failure under fire conditions. This testing is e
Read More
Coating Delamination Cause Analysis Experiments: Laboratory Methods, Standards, and Root Cause Inves
Coating delamination—the loss of adhesion between a coating and its substrate or between successive layers—is one of the most common and costly premature coating failures in automotive, appliance, architectural, marine, and general industrial applicati
Read More
Coating Adhesion Impact Test: Principles, Standards, Methods, and Applications
The coating adhesion impact test is a destructive evaluation method that measures how well a coating resists cracking, detachment, and adhesion loss when subjected to rapid deformation from a falling weight. Widely applied to painted metal panels, coil
Read More
Coating Vibration Adhesion Testing: Determination of Coating Bond Strength Under Dynamic Loading
Coating vibration adhesion testing is a specialized evaluation method used to determine how well a coating remains bonded to its substrate when subjected to dynamic mechanical stress such as sinusoidal or random vibration. By combining vibration exposu
Read More
Coating Vibration Amplitude Testing: Principles, Methods, and Industrial Applications
Coating vibration amplitude testing evaluates how surface coatings respond to dynamic mechanical excitation by quantifying amplitude transmission, resonance behavior, and damping performance over a defined frequency range. This testing is critical for
Read More
Coating Thickness Testing Technology: Principles, Methods, Standards, and Industrial Applications
Coating thickness testing technology is a core quality-control discipline used to verify that paints, platings, anodized films, and protective layers meet specified performance and durability requirements. This article provides a comprehensive technica
Read More