塑料助剂是塑料在成型过程中所需要添加的各种辅助化学物质,因此也常称为添加剂。加入助剂的目的是改善塑料成型性能以及制品的使用性能,或降低塑料成本。 Plastic additives are plastic in the molding process need to add a variety of auxiliary chemicals, it is also often referred to as additives. The purpose of adding additives is to improve the plastic forming properties and product performance, or reduce the cost of plastic.