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Vacuum bags, how much do you know?

by:Kolysen     2021-01-22
It's a sunny day, a good weather can give a person a kind of mood be suddenly enlightened. Today small make up to you to introduce the vacuum bags, just as its name implies after vacuum packaging is in good packaging products, need to take out the air in the bag, forming inside a vacuum, and the function of the vacuum packaging is to prevent air circulation, so as to guarantee the external air is not in the bag inside, so as to better preservation of product. Also have a lot of knowledge but the vacuum packing bag, as we all know the vacuum bag is made of what material? Vacuum packaging material performance directly affect the storage life of the food and the taste is delicious. So when choosing the packaging, not only to look at the appearance of packaging but also pay attention to packaging materials. Vacuum packaging is also there are many kinds of different material, different material has different properties, and its material classification has the following kinds: 1, AL foil, this kind of material is mainly to increase the blocking performance and shading, general vacuum bags will contain. 2, PET material, has excellent physical and mechanical properties, creep resistance, fatigue resistance, frictional resistance, not easy to deformation. 3, RCPP material, suitable for use under the environment of high temperature cooking. 4, resistant to water, PVA, this material is to increase the blocking performance, forming a high barrier coating. 5, PE material, general PE material is suitable for use in low temperature environment, so for some fresh products, such as seafood. 6, PA material, generally in the vacuum packing bag with AP material, main purpose is to increase physical strength and durability performance. When we choose the vacuum bags will be to choose according to their own use.
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