If it is a high-temperature resistant plastic wrap, it is not toxic. If it is not a high-temperature plastic wrap, it is generally unusable and will release toxins. There are two kinds of plastic wrap on the market, one is common plastic wrap, which is suitable for refrigerator preservation, and the other is microwave plastic wrap, which can be used for refrigerator preservation and microwave preservation. The latter plastic wrap is far superior to ordinary plastic wrap in heat resistance and non-toxicity. Therefore, consumers should pay special attention to the choice of use and use it separately.

Extended data:

The practice of egg custard:

Preparation materials: egg liquid 1 15g, clear water 160ml, salt.

1, break the egg.

2. filter. Note: filtration is to get a more delicate custard.

3. Season with salt.

4. Add 160ml water, in which the egg liquid is 1 15g.

5, gently hit a few times with chopsticks, use a net to remove the foam, and blow the small one to one side. Note: Foam affects the mirror effect of the finished surface.

6. Cover the bowl with plastic wrap and make a few small holes. Note: "plastic wrap" is to prevent water vapor from dripping on the surface during steaming; "Small eyes" for ventilation.

7. Cover the pot, boil water and steam over medium heat for 10 minutes. Note: the specific temperature and time should be determined according to your own stove.

8. Finished product drawing.

People's Daily Online-Beware that PVC cling film is easy to produce harmful substances when it comes into contact with oil.