What is the role of food packaging bags?
Protecting the appearance quality of food produces certain economic benefits
Food packing bag vacuum packing
by：Kolysen
2020-12-17
There are a lot of food vacuum bag filling packing must be adopted.
Such as crisp fragile food, nutrition food, easy deformation and oil food, there are sharp edges or high hardness will puncture vacuum bags of food, etc.
Food after vacuum packaging, packaging bags inside air pressure is greater than the atmospheric pressure outside packing bag, can effectively prevent the crushing of the food compression deformation, does not affect the packaging and printing packaging appearance.
Pneumatic vacuum packing bag after filling the vacuum nitrogen, carbon dioxide, oxygen, single or 2 or 3 kinds of gas mixture.
Nitrogen is inert, filling effect, make the bag to maintain positive pressure, in order to prevent the outside air into the bag, bag of food plays a protective role.
Carbon oxide gas or water can dissolve all kinds of fat, formation of weak acid, carbonate, corruption has inhibitory activity of bacteria and other microorganisms.
Oxygen could inhibit the growth of anaerobic bacteria breeding, keep fruits, vegetables, fresh and color, high concentration of oxygen to keep fresh meat, its bright red.
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