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1. First of all, in terms of performance, the frozen vacuum bag refers to the storage period and shelf life of the food when it is frozen, and the storage period and shelf life are extended by refrigeration; while the quick-freeze vacuum packaging bag is used for rapid freezing. Extend the freshness of the food inside.
2. Secondly, in terms of use, frozen vacuum bags are generally suitable for fresh meat, meaty foods and seafood, etc.; while quick-frozen vacuum packaging bags are widely used, not only for packaging fresh meat, meat food and seafood, but also It can be used to pack pasta, fruits and even vegetables.
3. Finally, in terms of packaging material selection, freezing vacuum bags only need to use cold-resistant and water-resistant films, while the film of quick-freezing vacuum packaging bags must be resistant to cold and water, but also requires the film to have barrier properties.