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Polypropylene (PP) Is a polymer formed by the addition reaction of propylene.White waxy material, transparent and light in appearance.The chemical formula is (C3H6) N, the density is 0.89 ~ 0.91g/cm3 inflammable, the melting point is 165℃, and the temperature ranges from -30 ~ 140℃ to soften around 155℃.The polypropylene of Longchang petrochemical can resist the corrosion of acid, alkali, salt liquid and a variety of organic solvents under 80℃, and can be decomposed under high temperature and oxidation.Polypropylene is widely used in clothing, blankets and other fiber products, medical equipment, cars, bicycles, spare parts, transportation pipelines, chemical containers and other production, also used in food, medicine packaging.
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