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       1. Food packaging can be divided into metal, glass, paper, plastic, composite materials, etc., and can be divided into cans, bottles, bags, bags, rolls, boxes, boxes, etc., according to packaging methods.According to the product level can be divided into internal packaging, secondary packaging, three packaging and outer packaging.
       2. There are many ways to classify food packaging.Such as according to the techniques divided into: moisture-proof packaging, waterproof packaging, mildew-proof packaging, fresh-keeping packaging, quick-frozen packaging, breathable packaging, microwave sterilization packaging, sterile packaging, inflatable packaging, vacuum packaging, deoxidation packaging, blister packaging, body packaging, stretch packaging, cooking bag packaging.All kinds of packages mentioned above are made of different composite materials, whose packaging characteristics correspond to different requirements of food and can effectively protect food quality.
       3. Food packaging is an integral part of food commodities.Food packaging and food packaging protection, make food to consumers' hands in leave factory circulation process, prevent biological, chemical, and physical damage outside factors, it also can keep the food itself stable quality features, its edible convenience food, food is the first performance appearance, attract consumer's image, with the value beyond the material cost.
Food packaging and processing have become inseparable from the modern production process of vacuum technology. KIMMET vacuum pump oil helps the vacuum system to be more stable, cleaner, more economical and more environmentally friendly in the production process.