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Polystyrene referred to as GPPS, also abbreviated as PS, is made of styrene polymerization. GPPS has the characteristics of light weight, low cost, low transparency, low water absorption, and is used in the manufacture of daily necessities. However, the disadvantages of GPPS are obvious, fragile, low strength, poor heat resistance, Taste and so on.
PVC referred to as PVC, which is derived from the polymerization of vinyl chloride, in actual use also added stabilizers, lubricants and some other additives. With high strength, non-flammability, oxidation resistance, anti-reductive, strong resistance to acid and many other advantages, commonly used in pipes, cables, doors and windows, plastic bags and other plastic products.
