What is the plastic bags?

by:Kolysen     2020-08-06
Plastic bags is a kind of plastic as raw materials, used in the production of the packing bag of all kinds of products, widely used in daily life and industrial production, but the same convenience bring lasting harm. The commonly used plastic bags are made from polyethylene film, the film non-toxic, it can be used for holding food. There is also a film for PVC, polyvinyl chloride (PVC) itself is non-toxic, but according to the purpose of the thin film additive is often joined by harmful substances to human body, has a certain toxicity. So this kind of film and made of the thin film bag should not be used for holding food.
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