Summary of knowledge on using plastic packaging bags.pet food bag projects manufacture

Aseptic packaging: packaging sterilized food in a sterile environment and sealing it in sterilized containers to achieve a longer shelf life without adding preservatives or refrigeration. Moisture proof packaging: divided into two categories. One type is to prevent the packaging from losing moisture, and the other type is to prevent the packaging from absorbing moisture.

The former is packaged with high barrier packaging materials to prevent moisture from being discharged from the packaging, while the latter can add high hygroscopic materials - desiccant cooking bags: bags made of flexible composite materials to hold food. After packaging the food in the bags, they are sterilized for a short time in an autoclave. Before consumption, the bags can be heated in boiling water.

Clear packaging: Packaging in which all or part of the contents can be seen through clear packaging information. Shortening packaging: A packaging method in which a product or package is wrapped in a shortened film capsule and then heated to shorten the film.

Vacuum packaging: A packaging method in which a product is placed in an airtight packaging container, and the air inside the container is extracted to achieve the predetermined vacuum level in the sealed container. Inflatable packaging: A packaging method in which products are placed in airtight packaging containers, and ammonia, carbon dioxide, and other gases are used to replace the container with air.

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