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The Material Of The Food Bag


Food bags are made of new materials, the main raw material is polyethylene, polypropylene, tasteless, non-toxic, more transparent, you can dress food, and "food" words.

Recycled plastic bags, the main raw material is recycled waste plastics, industrial waste, medical waste, by the split, cleaning, heating, made of particles, Food Bag into the blown film machine made.

Food bags are directly in contact with food, for the packaging and protection of food plastic film containers, mainly divided into two layers of composite and three composite, very few four layers of composite bags, two layers of composite is generally transparent bag, Food Bag Three layers of composite general bag inside a layer of aluminum foil or aluminum. Food bags according to their application can be divided into: ordinary food bags, vacuum food bags, inflatable food bags, boiled food bags, cooking food bags and coiled.

One ordinary food bag mainly dress: jujube, dried fruit, noodles, flour and other food. Vacuum food bags mainly to dress: rice, millet, miscellaneous grains, melon seeds and other food. Food Bag Inflatable food bags are mainly served: crisp, potato chips, and other food. Boiled, cooking food bags: generally the main costumes cooked products such as: roast duck, chicken, trotters and other products, the need for high temperature sterilization. Coil is generally used for: jujube plus walnut inner bag, tea, coffee, enzyme powder and other products.

Food bags are generally used in the material?

Food bag material: the general use of materials PET film, PE film, PA film, OPP film and CPP film.

characteristic:

PET film: This film is ultra-transparent, hard material, and high temperature, printing effect is good, more suitable for food bags, PET film feels particularly brittle feel, Food Bag can be issued in the hands of rustling crisp sound.

PE film: slightly less transparent cpp, but better than cpp, PE film tensile properties are better, better pull force. There are two kinds of milky white PE and transparent PE (HDPE / LDPE / LLDPE), feel soft.

PA film (nylon): PA material is tough, good transparency and wear resistance to piercing, easy to be oxidized, easy to shrink and wrinkle, this material is suitable for similar to the bone products.

OPP film: the material is hard, and can not stretch, heat sealing type is very good, but the transparency is more general, more brittle material, feel poor.