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The characteristics of the food vacuum packaging classification

by：Kolysen 2021-01-09

food vacuum bag it is a kind of take out all the air inside, is formed inside the vacuum state. Bag air out completely, few make the bag is in the air, the state of the low oxygen, let microbial no survival condition, to ensure that food freshness and prolong food BaoZhiQi. ( Note: belongs to food of fresh fruits and vegetables, is still in the respiration, altitude hypoxia can cause physiological diseases, therefore, less fruit class use vacuum packing)

1, the plastic bag vacuum packaging: the packaging method is to use two bags, one is outside the bag, one is in the bag. Outside the bag using ordinary composite printing bags, inside the bag USES is vacuum packaging.

2, vacuum bags, also known as pure aluminum foil bag or aluminum foil bag, the packing density on the process of metal ( Aluminum) Set on the bag, increase the blocking performance bag, shading, often used for the tea of the inner packing and retort pouch.

3, other food vacuum packaging, the packaging use PA ( Nylon) /PE( Enhanced) Or PA ( Nylon) / RCPP, PET/PE, PET/RCPP and other materials.

food packaging is not only the main material of food packaging, and is often used in our daily life of food packaging materials, food packaging material is what? What material to make food packaging bags?

food packaging materials generally have polyethylene and composite materials, these materials can be dressed up food, and will not cause pollution to food.

is cannot make the food packaging bags, PVC if smell food packaging bags have peculiar smell, it is not a qualified food packaging bags, so can't use this kind of bags for packing food.

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