The PP injection molding series products are specialized injection grade composite materials made by blending polypropylene (PP) as the matrix, surface activated talc powder as the main filler, and auxiliary agents for modification. They are widely used in the field of injection molding as a universal modified plastic. The material has excellent mechanical properties, dimensional stability, weather resistance, high molding efficiency, and good surface texture. The main processing method is injection molding, which is widely used in the fields of automotive dashboard frames, door interior panels, exterior decorative strips, etc. It has the advantages of low cost and easy processing.