Polyvinyl chloride, referred to as PVC, is a polymer of vinyl chloride monomer in peroxide, azo compounds and other initiators or under the action of light and heat polymerization by free radical polymerization reaction mechanism. Vinyl […]

Polypropylene, referred to as PP, is a polymer made of propylene by addition polymerization. White waxy material, transparent and light in appearance. The chemical formula is (C3H6)n, the density is 0.89 ~ 0.91g/cm3, flammable, the melting

Polyethylene is also called PE.It is a thermoplastic resin, which is a high polymer prepared by polymerization of ethylene. Polyethylene is a thermoplastic resin, a high polymer produced by the polymerization of ethylene. It is one