GB/T 21843-2008
ActivePlastics - Vinyl chloride homopolymer and copolymer resins - Particle size determination by mechanical sieving
塑料 氯乙烯均聚和共聚树脂 用机械筛测定粒径
Application Summary AI generated
This standard specifies a mechanical sieving method for determining the particle size distribution of vinyl chloride homopolymer and copolymer resins. It is applied in the plastics industry for quality control and classification of PVC resins used in manufacturing pipes, profiles, films, and other extruded or molded products. The method ensures consistent particle size, which directly affects processing behavior and final product properties.
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