The value of vacuum PE bag in life

　　In addition to inhibiting the growth and reproduction of microorganisms in the vacuum PE bag, another important function is to prevent food from oxidation. Because oil and fat foods contain a large amount of unsaturated fatty acids, oxygen is oxidized, and food will taste and deteriorate. In addition, oxidation, oxidation, oxidation, oxidation, oxidation It also causes vitamin A and C to lose, and the unstable substances in food pigments are oxygen and darkens the color. Therefore, oxygen can effectively prevent food deterioration and maintain its color, fragrance, taste and nutritional value.

　　Vacuum packaging is a package that protects products from environmental pollution and extended food, which can improve the value and quality of the product. Vacuum packaging technology originated in the 1940s. Since the successful application of polyester and polyethylene plastic film in 1950, the vacuum packaging machine has developed rapidly.

　　In the field of people's lives and work, all kinds of plastic vacuum packaging abound. Plastic vacuum packaging of lightweight, sealing, fresh -keeping, anticorrosive, and rust -proof -proof is spreading from food to medicines and knitwear, from precision product manufacturing to metal processing plants and laboratories and many other fields. The application of plastic vacuum packaging is becoming more and more widely used, which has promoted the development of plastic vacuum packaging machines, and also puts forward higher requirements for it.

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