There are many varieties of modern foods, and their physical state and nature, storage conditions, and nutritional value are also different. Therefore, the packaging forms and methods used for different varieties of calendars are also diverse. With the development of industrial technology and packaging materials, packaging methods and styles will increase, so there are bound to be many changes in the classification of food packaging, but at present, food packaging is roughly divided into the following categories: First, according to the role and frequency of packaging
Can be divided into * sub-package, that is, single-piece packaging, that is, inner packaging; second packaging (such as medium packaging); secondary packaging (such as outer packaging); fourth packaging (such as packaging such as pallets or containers).
Second, according to the physical form of food There are powdered food packaging, technical food packaging, and paste food packaging.
Third, according to the type of food
There are meat and aquatic product packaging, dairy packaging, and other food packaging.
Fourth, according to the type of packaging materials
The third piece of food packaging, stick food packaging, fluid food package pasta baking food packaging, confectionery food packaging, simmering and drinking
Can be divided into wood material packaging, metal packaging, paper packaging products packaging and so on.
5. Classification by transportation method
There are train transportation packaging, automobile transportation packaging, ship transportation packaging, transportation and packaging.
6. Classification by packaging method Plastic packaging, glass packaging, ceramic aircraft transportation packaging, parts transportation packaging, å…… filling method packaging, wrapping method packaging, anger packaging, sealing method packaging. In addition, it can also be divided into domestic sales packaging, export packaging and special packaging.
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