GB/T 21992-2008
ActivePolyvinyl chloride resins for Paste - Determination of number of impurities particles and foreign particles
糊用聚氯乙烯树脂 杂质与外来粒子数的测定
Application Summary AI generated
This standard specifies a method for determining the number of impurity particles and foreign particles in polyvinyl chloride (PVC) resins intended for paste applications. It is used in quality control and testing within the plastics manufacturing industry, specifically for PVC paste resins that are processed into plastisols for products like coatings, sealants, and synthetic leather. The test ensures the resin's purity by quantifying visible contaminants that could affect the final product's appearance and performance.
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