The material of vacuum bag!

by:Kolysen     2020-06-18
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. In terms of transparent vacuum bag, we have two common: one is the polyester vacuum bag ( PET) And another is nylon vacuum bag ( PA) 。 Is transparent bags, you can distinguish between these two kinds of common vacuum bag? Polyester vacuum bag ( PET) Polyester vacuum bags based on polyethylene terephthalate material, selects out the legal system into thick slices, then through two-way stretch vacuum packaging material. It is a colorless, bright, shiny vacuum bags, mechanical properties, high rigidity, hardness and toughness, durability, resistance to conflict, high and low temperature resistance, resistance to chemical medicinal properties, oil resistance, good air tightness and sweet, is a common one of the permeability resistance of composite vacuum bag base material. But the price is higher polyester vacuum bag, usually thickness of 12 & mu; M, the outer layer of the commonly used for cooking and packaging materials, printing sex is good. Nylon vacuum bag ( PA) The packing bag of nylon vacuum packaging is a kind of very tough, good clarity, and has good gloss, high tensile strength, tensile strength, but also has good heat resistance, cold resistance, oil resistance and organic solvent resistance, excellent wear resistance, durable thorn, and compare the soft, resistance is oxygen, but for poor water vapor barrier property, moisture absorption and moisture permeability is bigger, poor heat sealing property, suitable for packing hard objects, such as fatty foods, meat, Fried foods, cooking food, vacuum packaging, etc. 【 Aluminum foil bag]
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