Various types of plastic bags are used in every aspect of life. There are also several classifications because of the different packaging materials, the uses are different, and the materials are slightly different. In order to meet the needs of different consumers, packaging bags are constantly updating themselves, making everyone's life more environmentally safe and hygienic. Let's learn about the next few categories, the specific basic structure and where they are applied.
Types of composite plastic packaging
1. Self-supporting zipper bag
The basic structure is: PET / PA + VMPET + PE / CPP
Stand-up pouch packaging is mainly used in products such as fruit juice drinks, sports drinks, bottled drinking water, respirable jellies, condiments, etc. In addition to the food industry, the application of some cleaning products, daily cosmetics, medical supplies and other products has also gradually increased .
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 machinery parts, consumer products, industrial products, etc. For example: PC board, IC integrated circuit, electronic components, various types of LED industry SMT patch, light bar packaging, precision hardware, auto parts and other packaging.
(2) Food packaging: rice, meat products, dried fish, aquatic products, cured meat, roast duck, roast chicken, roast pig, quick-frozen food, ham, cured meat products, sausages, cooked meat products, pickles, bean paste, seasoning, etc. The fragrance, quality, taste and color are preserved.
3. High temperature cooking bag
The basic structure is: in order to meet the performance requirements of the cooking bag, the outer layer of the structure is selected from a high-strength polyester film, the middle layer is selected from aluminum foil with shading and airtightness, and the inner layer is selected from polypropylene film. Two layers: PA + CPP Three layers: PA + PET + CPP Four layers: PA + PET + AL + CPP
Used in high-temperature sterilization food, ham, curry, grilled eel, grilled fish and meat stew products that need high temperature sterilization. Can withstand 120 degrees high temperature, convenient, hygienic and practical. Not only is it stored at room temperature for a longer shelf life, but it is also convenient for transportation, warehousing, and sales, and is very suitable for the consumption needs of modern society.