PP PE two plastic particles description
PP is polypropylene, which can be divided into isotactic polypropylene, syndiotactic polypropylene, Zhi random polypropylene, propylene ethylene random copolymer, propylene ethylene block copolymer, grafted polypropylene, chlorinated polypropylene, metallocene polypropylene and so on. It can be divided into extrusion stage, drawing stage, coating stage, injection stage, film stage and so on. PE i