Vacuum bag, also known as decompression packaging, is to extract and seal all the air in the packaging container to maintain a high degree of decompression in the bag. The scarcity of air is equivalent to the effect of hypoxia, so that microorganisms have no living conditions, so as to achieve fresh fruit and no disease. The purpose of the occurrence. Let's take a look at the unique advantages of vacuum packaging bag
s. 1. High barrier properties of vacuum packaging bags
: The barrier properties of different plastic materials are quite different to achieve high barrier properties such as oxygen, water, carbon dioxide, odor, etc. Effect. Vacuum packaging bag 2. Strong function: oil resistance, moisture resistance, high temperature cooking resistance of 90 degrees Celsius, low temperature freezing resistance, quality preservation, freshness preservation, and odor preservation, can be used for vacuum packaging, aseptic packaging, and air-filled packaging. (There is also a special high temperature cooking bag>100 degrees) 3. Low cost: Compared with glass packaging, aluminum foil packaging and other plastic packaging, to achieve the same barrier effect, co-extruded film has a greater cost advantage. Compared with other composite films, dry composite films can be reduced by 10-20%. 4. High strength of vacuum packaging bags: vacuum packaging bags have the characteristics of stretching during processing. Add nylon, polyethylene and other plastic materials in the middle, so that it has a composite strength that exceeds the general plastic packaging, there is no delamination and peeling phenomenon, good flexibility, and excellent heat sealing performance. It adopts vacuum shrink packaging, with a volume-to-volume ratio of nearly 99.9%, which is unmatched by glass, iron cans, and paper packaging. 6. No pollution: no adhesive is added, no residual solvent pollution, and environmental protection. 7. Vacuum packaging bags Wide range of applications: vacuum packaging bags are suitable for industries that require vacuum packaging such as textiles, food, electronics, hardware, and chemicals.
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