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Plastic properties and uses

1. Polyethylene: commonly used polyethylene can be divided into low density polyethylene (LDPE), high density polyethylene (HD

PE) and linear low density polyethylene (LLDPE). Among the three, HDPE has good thermal properties, electrical properties and mechanical properties of LDPE and LLDPE have better flexibility, impact resistance, film and so on. LDPE and LLDPE are mainly used for packaging film, agricultural film, plastic modification, and the more extensive use of HDPE, film, pipe, injection supplies, and other fields.

2. Polypropylene: relative for, polypropylene of varieties more, uses also compared complex, field range, varieties main has are poly polypropylene (homopp), embedded paragraph copolymer polypropylene (COPP) and no rules copolymer polypropylene (Rapp), according to uses of different, are poly main with in drawing, and fiber, and injection, and BOPP film, field, copolymer polypropylene main should for household appliances injection pieces, modified sex raw materials, daily injection products, and pipe,, no rules polypropylene main for transparent products, and high performance products, and High performance pipe, and so on.

3. PVC: due to its low cost, the product has a flame retardant properties, is widely used in the fields of architecture, especially the sewer pipe, PVC Windows and doors, sheet metal, synthetic leather and uses the most widely used.