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PP plastic, chemical name: Popular Chinese name: Polypropylene (smaller PP) specific gravity: 0.9-0.91 g/cm3 molding shrinkage: 1.0-2.5% molding temperature: 160-220°CPP is a molding type with high foaming, and the comprehensive performance of PP is better than that of PE material. PP products are light, tough and chemically resistant.

Polypropylene, referred to as PP, is a polymer made of propylene by addition polymerization. It is a white waxy material with a transparent and light appearance. The chemical formula is (C3H6)n, the density is 0.89 ~ 0.91g/cm3, flammable, the melting point is 164~170ºC, it is softened at about 155ºC, and the use temperature range is -30 ~ 140ºC. It can resist the corrosion of acid, alkali, salt solution and a variety of organic solvents below 80ºC, and can decompose under high temperature and oxidation. Polypropylene is a thermoplastic synthetic resin with excellent properties.

PP resin can be packaged by polypropylene woven bags lined with polyethylene film or other packaging forms. The net weight of each bag can be 25kg or other.

Polypropylene (PP) is an innovative and versatile plastic material, valued for its lightness and durability.