Plastic wrap can be divided into three categories:
The first is polyethylene, abbreviated PE, this material is mainly used in food packaging.
The second is polyvinyl chloride, abbreviated PVC, this material can also be used in food packaging, but do not touch the oil and microwave heating, its human security, to a certain extent;
The third is polyvinylidene chloride, referred to as PVDC, mainly used in some cooked ham and other products packaging.
These three cling film, PE cling film and PVDC these two materials on the human body is safe and can be safely used, and PVC cling film carcinogenic, harmful to the human body, and therefore, in the purchase of plastic wrap, We should use PE cling film.