... Use CP20 inHDPE injection molding, extrusion Piping, HDPE, LDPE, LLDPE blown film,blown bottles or blow molding, it can improve machine's extrusion ... CP20can be used to make HDPE injection molding, extrusion Piping, blown bottles, PE plastic bags, shopping bags, PE heavy-duty ... bag, PE liquid packing bag, sanitary towel packing film, agriculture film, PE hand bag, inside bag, high quality PE vest ...