The process of making plastic bags

Plastic bags are generally made of polyethylene blow molding process, can be divided into high-density polyethylene and low-density polyethylene two. The polyethylene plastic heated by the plastic melt blown into the film tube material; followed by a bag machine or heat sealing machine, the cylinder material will be cut hot synthetic plastic bags. Plastic bags can be divided into granulation, blow molding, bagging and cutting bag 4 process.