The main structure of food plastic bags is these materials, there must be some people who don’t know

December 31, 2022

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Food plastic bags are widely used in our daily life, and they are also an indispensable material among the necessities of our life. So many friends will be very curious about what material the food plastic bag is made of, and will it cause any harm to our body? Because after many friends hear that it is plastic, they may think that some plastics will pollute the air after they are burned. It is understandable to have such an idea, but now with the continuous progress of technology, the treatment of many materials is still in place, because now the main food plastic bags are used according to different needs, and then Then make a reasonable match, which not only achieves the effect of protecting the environment, but also achieves the benefits of reasonable cost savings. The main structural materials of food plastic bags are polyethylene, polyester film, polyamide, and biaxially oriented polypropylene film. The most common food tapes on the market are composed of these four materials. Polyethylene is a kind of thermoplastic resin. It is a kind of non-toxic, no peculiar smell, and very good temperature resistance material. Polyester film is a kind of insulating material that is resistant to high temperature, relatively easy to print, and convenient to process. Polyamide is what we call nylon, which has properties such as heat resistance, abrasion resistance, and cold resistance. Biaxially oriented polypropylene film has good transparency, gloss and other properties. The above are the main materials used in all food plastic bags on the market. The food tapes on the market are basically composed of them. In practice, which food plastic bags to use depends on the actual situation.

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