PE packaging food plastic packaging bags are often used in people’s lives, but you must be careful when using them. Some plastic packaging bags are toxic and cannot be used to directly hold food.
1. Non-toxic plastic bags with eye observation are white, transparent, or slightly transparent, with uniform texture; toxic plastic bags are colored or white, but with poor transparency and turbidity, uneven plastic surface stretching, and small particles.
2. When you shake the plastic bag with your ears and hands, it makes a clear sound to indicate that it is a non-toxic plastic bag; and the small and stuffy sound is the toxic plastic bag.
3. Touch the surface of the plastic packaging bag by hand, it is very smooth and non-toxic; the sticky, astringent, waxy feeling is toxic.
4. It is odorless to smell a non-toxic plastic packaging bag with your nose; it is toxic if it has an irritating smell or an abnormal taste.
5. Submergence test method Put the plastic bag in the water, press it to the bottom of the water by hand, wait for a while, the non-toxic plastic packaging bag will appear on the surface, and the toxic plastic packaging bag will sink on the bottom.
