There are many kinds of plastic particles, which can be divided into three categories according to their properties: general plastics, engineering plastics and special plastics.
General plastics: polypropylene, polyethylene, polyvinyl chloride, polystyrene, polyester, polyurethane, etc
Engineering plastics: nylon, polytetrafluoro-polyformaldehyde, polycarbosilane, etc
Special plastic: thermosetting plastic functional polymer plastic, such as artificial kidney. Heart. Blood vessels Aerospace industry, etc