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With the improvement of people’s living standards, all kinds of snack foods are more and more popular, and the demand is also increasing. It is well known that the selection of materials and production requirements of food packaging bags are different from ordinary packaging bags.

Specifically, the production requirements of food packaging bags must meet the following points: First, food packaging bags must be able to protect the packaged food, and therefore require high barrier properties, which can block water vapor, gas, grease, and organic solvents; secondly, According to the specific packaging requirements of food, certain conditions are met, such as anti-corrosion, anti-static, anti-electromagnetic radiation, etc.; in addition, food packaging bags must protect the packaged food from pollution and interference from external factors, and can extend the food shelf life.

In the selection of materials, the main materials and auxiliary materials used in food packaging bags cannot contain substances that are harmful to the human body, or the content is within the range allowed by national standards.

Due to the particularity of food-grade packaging materials, only by strictly complying with the production specifications, can the produced food packaging bag products be approved and put on the market.

All inner packaging bags that are in direct contact with food strictly comply with the production process of food-grade packaging bags, which are not only safe and hygienic, but also ensure the original taste and flavor; instead of food-grade packaging bags, the main difference is in terms of material composition It lies in the use of additives. If an opening agent is added to the material, it cannot be used for food packaging.

So how do we distinguish whether the packaging bag is non-food grade or food grade?

   When we get the packaging bag, we first observe that the new material has no peculiar smell, good hand feel, uniform texture, and bright color. Only when these are achieved can it be a safe and hygienic food-grade environmental protection bag.

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