1. Plastic films are generally made of polyethylene, polypropylene, polyvinyl chloride and other plastic materials.
2.Plastic film: film made of polyvinyl chloride, polyethylene, polypropylene, polystyrene and other resins, used for packaging, and used as a coating layer. Plastic packaging and plastic packaging products account for an increasing share of the market, especially composite plastic flexible packaging, which has been widely used in food, medicine, chemical and other fields, among which food packaging accounts for the largest proportion, such as beverage packaging , quick-frozen food packaging, retort food packaging, fast food packaging, etc. These products have brought great convenience to people's lives.
