المواضيع

الجملة راتنج البولي بروبلين Pp الإنسان عشوائية وكتلة كوبوليمر

Wholesale Polypropylene (PP) Resin: Homo, Random & Block Copolymer commercial specifications are structured around molecular architecture rather than a single density value. Homopolymer grades are isotactic linear chains with xylene-soluble fractions below 5 wt%; random copolymers incorporate 1–7 wt% ethylene to disrupt crystallinity; impact copolymers are heterophasic reactor blends containing...