Plastic bottle is very common in daily life. We also know that it is a plastic container made of polyester (PET), polyethylene (PE) and polypropylene (PP) as the main raw materials. After adding the corresponding organic solvent, it is heated at high temperature and then passed through the plastic mold through blow molding, extrusion blowing or injection molding.

Most of the common cosmetic and detergent packaging containers are made of high-density polyethylene. In order to meet the packaging requirements of different products, the choice of materials for plastic bottles is increasingly rich.

All walks of life need plastic bottle packaging. As a consumer, no matter the plastic bottle for food packaging or the plastic bottle for daily products, the bottle body is printed with PVC,PET,PP,PE, which represents the material of plastic bottle packaging. So what exactly do these signs mean? What exactly are they used for? What should consumers pay attention to when they see these signs?

　1.The material of plastic bottles is usually PP, PE, K material, AS, ABS, acrylic, PET, etc.　 2.Usually used for cosmetic container wall thick cream bottles, caps, corks, gaskets, pump heads, dust covers for injection molding; PET blowing bottles for two-step molding, tube embryo for injection mol