الشركة المصنعة لفة الوركين الموصلة – لفة البلاستيك بالجملة بالجملة
Description Polystyrene (PS for short) is a polymer synthesized from styrene monomer by free radical addition polymerization, and its chemical formula is (C8H8) N. It is a kind of colorless transparent thermoplastic, with glass conversion temperature higher than 100℃, so it is often used to make a variety of disposable containers that need to withstand […]
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