High-density polyethylene (HDPE) is a white powder or granular product. It is non-toxic, odorless, with a crystallinity of 80% to 90%, a softening point of 125 to 135°C, and an operating temperature of up to 100°C; its hardness, tensile strength and creep are better than those of low-density polyethylene; it has good wear resistance, electrical …

A plastic processing method in which the plastic is plasticized in the heated barrel of the injection molding machine and then injected into the cavity of a closed mold by a plunger or a reciprocating screw to form a product. This method can process products with complex shapes, precise dimensions or with inserts, and has …