In order to reduce internal stress and surface quality defects, the following seven problems should be paid attention to in the injection molding process of transparent ABS plastic materials (including the requirements of injection molding machine) 1. Special screw with separate temperature control nozzle should be used. 2. Injection temperature: under the premise that plastic

Polymer automotive materials have many advantages that traditional materials did not have in the past. Mainly manifested in light weight, good appearance decoration effect, a variety of practical application functions, good physical and chemical properties, easy processing and shaping, energy saving, sustainable use and other aspects. The main characteristics of polymer automotive materials are as