Classification of food packaging
Food packaging can be divided into metal, glass, paper, plastic, composite materials, etc. according to the packaging materials, can be divided into cans, bottles, bags, bags, rolls, boxes, boxes, etc. according to the packaging type, and can be divided into can storage according to the packaging method , Bottled, encapsulated, bagged, wrapped, as well as infusion, complete set, sealing, labeling, coding, etc.; can be divided into inner packaging, secondary packaging, tertiary packaging...outer packaging, etc. according to the product level.
There are many ways to classify food packaging. According to the technique, it can be divided into: moisture-proof packaging, waterproof packaging, mildew-proof packaging, fresh-keeping packaging, quick-frozen packaging, breathable packaging, microwave sterilization packaging, aseptic packaging, inflatable packaging, vacuum packaging, deoxygenated packaging, blister packaging, skin-mounted packaging, Stretch packaging, cooking bag packaging, etc. The above-mentioned various packages are made of different composite materials, and their packaging characteristics correspond to the requirements of different foods, which can effectively protect the food quality.