Types of composite plastic packaging

Public date： 2020-3-11 16:48:57

There are various plastic packaging bags and they are used in every aspect of life. Because there are several classifications for different packaging materials, the uses are different, and the materials are slightly different. In order to meet the needs of different consumers, the packaging bags are also constantly updating themselves to make everyone's lives more environmentally friendly, safe and hygienic. Let's take a look at the following major classifications, the specific basic structure and which areas are used.
1. Freestanding zipper bag
The basic structure is: PET / PA + VMPET + PE / CPP
Stand-up pouch packaging is mainly used in fruit juice drinks, sports drinks, bottled drinking water, inhalable jelly, condiments and other products. In addition to the food industry, some washing products, daily cosmetics, medical supplies and other products are gradually increasing .
2. Aluminum foil printing bag
The basic structure is: three layers: PA / PET + AL + CPP / PE four layers: PA / PET + PET + AL + CPP / PE
(1) Suitable for packaging of various circuit boards, electronic products, precision mechanical parts, consumer goods, industrial products, etc. For example: PC boards, IC integrated circuits, electronic components, SMT patches for various LED industries, light bar packaging, precision hardware, auto parts and other packaging.
(2) Food packaging: rice, meat products, dried fish, aquatic products, bacon, roasted duck, roast chicken, roast pork, quick-frozen food, ham, cured meat products, sausages, cooked meat products, pickles, bean paste, spices, etc. Fragrance, quality, flavor and color.
3.High temperature cooking bag
The basic structure is: in order to meet the performance requirements of the retort bag, the outer layer of the structure is selected with a high-strength polyester film, the middle layer is selected from aluminum foil with light shielding and air tightness, and the inner layer is selected from a polypropylene film. Two layers: PA + CPP Three layers: PA + PET + CPP Four layers: PA + PET + AL + CPP
Used for high-temperature sterilization of foods, ham, curry, grilled eel, grilled fish and meat stewed products. Can withstand high temperature of 120 degrees, convenient, hygienic and practical. Not only does it have a longer shelf life at room temperature, but it is also convenient for transportation, warehousing, and sales, which is very suitable for the consumer needs of modern society.

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