Basic classification of food packaging

Food packaging can be divided into metal, glass, paper, plastic, composite materials, etc. according to packaging materials. It can be divided into cans, bottles, bags, bags, rolls, boxes, boxes, etc. according to packaging types. It can be divided into cans according to packaging methods. , bottling, sealing, bagging, wrapping and filling, packaging, sealing, labeling, inkjet coding, etc.; it can be divided into inner packaging, secondary packaging, tertiary packaging...outer packaging, etc. according to the product level.

Due to more attention and higher requirements on food safety, some countries have strengthened their regulatory management of food packaging. From the implementation of nutritional standards and regulations, indirect additive regulations, etc. to the promotion of degradable packaging, electronic scanning of bar codes, etc., new developments in food packaging are being promoted.

There are many ways to classify food packaging. For example, according to the techniques, it is 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-fitting packaging, Stretch packaging, retort bag packaging, etc. The various packaging mentioned above are made of different composite materials, and their packaging characteristics correspond to the requirements of different foods and can effectively protect food quality.