The function of plastic wrap The main function of plastic wrap is to keep vegetables fresh. Vegetables can be wrapped in plastic wrap, and can also be placed in the kitchen or refrigerator to prevent the evaporation of water from vegetables and play a fresh-keeping role.
Plastic wrap is a kind of plastic packaging product, which is usually polymerized with ethylene as the masterbatch. Plastic wrap can be divided into three categories: the first category is polyethylene, abbreviated as PE; The second is polyvinyl chloride, referred to as PVC；; The third type is polyvinylidene chloride, or PVDC for short.