Of course not. Preservative film is a kind of plastic and will produce toxic substances after heating and melting. Remember not to put the preservative film into the pot or microwave and it is best not to steam preservative film with mcrowave. When you use the preservative film, remember not to let it contact with food, for the preservative film may volatilize and produce harmful substances when heated or in contact with oil. You should prevent the preservative film from contaminating food as much as possible. From a physical standpoint, the preservative film has moderate oxygen permeability and moisture permeability, and can adjust the oxygen content and moisture content of the fresh product around, and block dust in the air.
It is best not to use preservative film in steaming. The preservative film is composed of polyvinyl chloride, which is non-toxic at room temperature. But it mustn't be heated, for after heating, it will produce toxins which are harmful to human body.
No, the plastic wrap can't be steamed for it is a kind of plastic package product. It usually uses ethylene as master batch and is made by polymerization reaction. The plastic wrap is mainly used for food heating in microwave, refrigerator food preservation, and fresh food and cooked food packaging. It is also widely used in the field of food packaging in family life, supermarket stores, hotels, restaurants and industrial production. Plastic wrap can be classified into many types according to the material it uses and the added plasticizer, and it
can be applied to different occasions. Plastic wrap is favored by people for its convenience, economy and beauty. However, plastic wrap generally contains added plasticizers in the production process, and thus its impact on human health has also been a concern.