Not necessarily.
Most of the cling film on the Chinese market is made of polyvinyl chloride, that is, PVC. The so-called cling film is toxic, which means that the harmful substances in this material may cause cancer after being released.
It is understood that once PVC plastic wrap is stained with oil from cooked food, harmful substances are easily diluted out, which may affect human endocrine in a mild way, or cause breast cancer, birth defects in newborns, or male reproduction in serious cases. obstacle. Europe, the United States, Japan, and South Korea banned the use of PVC cling film at least five years ago. However, the eliminated technology was introduced to China and became a joint venture or wholly-owned enterprise. There are three main brands: LG, Mitsubishi, and Sanei, and their output accounts for the entire market. 70%. Domestic cling film companies started late, so the technology is relatively new. They are all PE products that are substitutes for PVC, but their market share is only 30%.
The method to identify whether the plastic wrap is toxic or not is very simple. Use a lighter to light the plastic wrap. If after burning, the plastic wrap drips down like wax oil and emits a candle smell, it is non-toxic polyethylene. vinyl film. PVC has an unpleasant pungent smell.