PP polypropylene general-purpose plastics 

Polypropylene can resist the corrosion of acids, alkalis, salt liquids and a variety of organic solvents below 80 °C, and can decompose under high temperature and oxidation. Polypropylene is widely used in clothing, blankets and other fiber products, medical equipment, automobiles, bicycles, parts, conveying pipes, chemical containers and other production, but also used in food, pharmaceutical packaging. In the process of mixing and mixing, organic or inorganic additives are added to the PP (polypropylene) matrix to obtain PP composite materials with excellent performance, mainly including: filling modification, blend modification and so on