Plastic self lubricating transmission rack pinion 

Plastic self lubricating transmission rack pinion Gear Rack Products parameters 1. Polyethylene: Commonly used polyethylene can be divided into low  density polyethylene (LDPE), high density polyethylene (HDPE) and  linear low density polyethylene (LLDPE). Among the three, HDPE has  better thermal, electrical and mechanical properties, while LDPE and  LLDPE have better flexibility, impact properties, film-forming properties,  etc. 2. Polypropylene: Relatively speaking, polypropylene has more varieties,  more complex uses, and various fields. The varieties mainly include  homopolypropylene (homopp), block copolymer polypropylene (copp)  and random copolymer polypropylene (rapp) According to different uses, homopolymerization is mainly used in the fields of wire drawing, fiber,  injection, BOPP film, etc., copolymer polypropylene is mainly used in  household appliances injection parts,…