HC Plastics News: Lightweight is the future development trend of the automotive industry. Under the background of the era of “plastic-generation steelâ€, the demand for plastics in the automotive industry is increasing. Plastic products are everywhere in our lives, and plastic products will play an increasingly important role in the automotive industry.
Automotive plastic parts (a car is equipped with about one hundred and two pieces of plastic parts) have various molding methods. Even a plastic part can be made by several molding methods. The following describes the molding method of automotive plastic parts:
Sheet extrusion calendering (soft, hard plastic)
Profile extrusion, composite extrusion
Injection molding
Reaction Injection Molding (RIM)
Enhanced Reaction Injection Molding (RRIM)
Hollow blow molding
Multi-layer hollow blow molding
Structural blow molding
Molding (including sheet molding compound, molding of block molding compound)
Rotary forming
Thermoforming (vacuum blister)
Other molding processes (foaming, engraving, printing, painting) For example, front and rear bumpers can be injection molded according to their materials, or RIM, or RRIM, or molded (SMC) and fuel tanks can be blow molded. Or multi-layer co-extrusion blow molding, or sheet thermoforming (vacuum blister) two Huff re-welding, or injection molding two Huff re-welding, or structural blow molding. 
Editor in charge: Wang Ning 12
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