The difference between heat shrink packaging and vacuum packaging
Release time:
2021-09-10 14:49
Source:
In fact, the difference between heat shrink packaging and vacuum packaging bags is mainly reflected in the application range of the product. Heat shrink packaging is mainly used for products that need to be coated with moisture. The vacuum packaging is mainly applied to foods that need to "inhibit the reproduction of bacteria, avoid oxidation, mildew and spoilage of goods".
In principle, heat shrink packaging is to heat the shrink film to make the shrink film tightly fit the product. It can not only achieve the function of moisture resistance, but also make the product more beautiful. Vacuum packaging is composed of a vacuum system, a gas-pumping and sealing system, a heat-pressing sealing system, and an electrical control system. The vacuum packaging machine automatically seals the packaging bag immediately after it is vacuumed into a low vacuum. Due to the high vacuum in the bag and less residual air_, the packaging volume can be reduced, which is convenient for transportation and storage.
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Six advantages of vacuum packaging
Vacuum packaging is a very popular form of packaging nowadays. The air in the container is extracted to maintain a predetermined vacuum state, which can save space and is easy to carry.
The difference between heat shrink packaging and vacuum packaging
In fact, the difference between heat shrink packaging and vacuum packaging bags is mainly reflected in the application range of the product. Heat shrink packaging is mainly used for products that need to be coated with moisture.
Packaging printing is the printing of various packaging materials as the carrier, printing decorative patterns, patterns or words on the package, in order to make the product more attractive or more illustrative, so as to play the role of transmitting information and increasing sales.
How long can vacuum-packed cooked food last
Vacuum packed cooked food has a good preservation effect, usually can be saved for about half a month, but in the hot environment in summer, up to a week, need to be put in the refrigerator, if the vacuum packed sausage, ham, bacon and other cooked food, about a year can be saved, or even longer.
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