Plastic wrap is a plastic packaging product, usually made of ethylene as a masterbatch through polymerization. Plastic wrap can be divided into three categories: the first is polyethylene, referred to as PE; the second is polyvinyl chloride, referred to as PVC ; The third is polyvinylidene chloride, abbreviated as PVDC.
Microwave food heating, refrigerator food preservation, fresh and cooked food packaging and other occasions are widely used in the field of family life, supermarket stores, hotels, restaurants and industrially produced food packaging.