Food packaging can be divided into metal, glass, paper, plastic, composite materials, etc. according to packaging materials, and can be divided into cans, bottles, bags, bags, rolls, boxes, boxes, etc. according to packaging types, and can be divided into cans according to packaging methods , Bottling, encapsulation, bagging, wrapping and filling, integration, sealing, labeling, coding, etc.; can be divided into inner packaging, secondary packaging, tertiary packaging, etc. according to the product level.
Due to more attention to food safety and higher requirements, some countries have strengthened the regulatory management of food packaging. From the implementation of nutrition standards and regulations, indirect additive regulations, etc., to the promotion of degradable packaging, electronic scanning of bar codes, etc., all of them are promoting the new development of food packaging.
There are many ways to classify food packaging. For example, 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, deoxidizing packaging, blister packaging, skin packaging, Stretch packaging, retort bag packaging, etc. The above-mentioned various packages are all made of different composite materials, and their packaging characteristics correspond to the requirements of different foods, which can effectively protect the quality of the food.
