The basic knowledge of plastic PP
Polypropylene (PP) material is a polymer made from propylene through a polymerization reaction. It is a white waxy material, transparent and light in appearance. Chemical formula is (C3H6)n. Flammable, melting point 189℃, softening at 155℃, use temperature range is -30~140℃. It can resist the corrosion of acid, alkali, salt liquid and many kinds of organic […]