The material of vacuum bag

by:Nanxin Print & Packaging     2020-04-11
Vacuum bag, also known as vacuum packaging, principle of atmospheric pressure, the main purpose of the vacuum bag is oxygen, prevent food rotting, vacuum bag is put inside the bag and the food of oxygen in cells with pump removed, making the process of microbial survival environment. Vacuum bags in our daily life more and more, and now a lot of food with such bags to packaging can guarantee the quality of the products, avoid food spoilage, the shelf life is longer. The vacuum bag packaging because of their excellent performance, won the majority of consumers. As the vacuum bag packaging promotion and the development of the supermarket, its scope of application will be more and more widely, some will gradually replace rigid package. 【 Aluminum foil bag]
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