Are food bags hygienic?

January 3, 2023

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Customer question: Is the food bag hygienic?Excellent answer:There are a large number of microorganisms in the natural environment, which can contaminate food through attachment to plants, dust, air, etc. In order to prevent food from being contaminated again, food packaging bags are generally used to package food to prevent contamination by microorganisms in nature. Food packaging bags must be hygienic, but there will be bacteria. Our country has a limit value requirement for it, and it should meet the requirements. Therefore, food with packaging bags also has a shelf life.Plastic bags are generally divided into two materials:1. Polyethylene (PE)film:Plastic bags made of polyethylene film are non-toxic and harmless, and can hold food, but the strength is biased and cannot withstand80The temperature is above ℃, and it has a certain degree of air permeability, so it is not suitable to store tea, spices and other items that are easy to absorb moisture and deteriorate for a long time. It is often used to make plastic wrap.2. Polyvinyl chloride(PVC)film:Plastic bags made of polyvinyl chloride film are toxic and cannot be in direct contact with food, so they are often used in the production of raincoats, tablecloths, bedspreads, curtains, handbags and other items.There are two types of plastic bags, one is food-grade packaging bags, which are safe within the framework of the Food Safety Law of the People’s Republic of China. There is also a non-food-grade packaging bag, which is absolutely prohibited by law, but for the convenience of customers, supermarkets and convenience stores will also prepare such plastic bags for cost considerations. When dealing with inspection, they will tell you: this is the outer packaging.The two types of plastic bags are easy to distinguish. Food-grade bags are generally transparent, without markings, without dyeing, and without handles. The other is the opposite.Related article recommendation: Can food bags be decomposed? “Detailed explanation”

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