What are the heavy bags in the plastic material?
(polypropylene) English Name: Polypropylene, PP plastic concept, proportion polypropylene, also includes propylene and a small amount of ethylene copolymer. PP granular material is natural, cylindrical particles, smooth particles
Plastic raw materials in the heavy bag refers to high pressure polyethylene (LDPE) is a kind of special, for the production of plastic packaging bags, the plastic bags bearing force and pulling force are high, and have a high degree of transparency, plastic raw materials sales is often called the heavy bag material, melting point to: 0.3
