Introduction to the type of composite plastic packaging

Public date： 2019-7-26 14:46:49

Plastic bags come in a variety of ways and are used in every aspect of life. There are several classifications depending on the material to be packaged, the uses are different, and the materials are slightly different. In order to meet the needs of different consumers, the bags are constantly updating themselves, making everyone's life more environmentally friendly and safe. Learn about the next big categories, the specific basic structure and where to apply it.
1. Self-standing zip pocket
The basic structure is: PET / PA + VMPET + PE / CPP
Self-supporting bag packaging is mainly used in juice drinks, sports drinks, bottled drinking water, sippy jelly, condiments, etc. In addition to the food industry, the application of some detergents, daily cosmetics, medical supplies and other products is 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) Applicable to all kinds of circuit boards, electronic products, precision machinery parts, consumer goods, industrial products and other packaging. For example: PC board, 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, roast duck, roast chicken, roast pork, frozen food, ham, cured meat products, sausage, cooked meat products, pickles, bean paste, spices, etc. The fragrance, quality, taste and color retention.
3. High temperature cooking bag
The basic structure is: in order to meet the performance requirements of the retort pouch, the outer layer of the structure is selected to have a high strength polyester film, the middle layer is selected to have a light-shielding and air-tight aluminum foil, and the inner layer is a polypropylene film. Two layers: PA+CPP Three layers: PA+PET+CPP Four layers: PA+PET+AL+CPP
It is used for high temperature sterilization foods, ham, curry, grilled squid, grilled fish and meat halogen products. It can withstand 120 degrees high temperature, convenient, hygienic and practical. Not only storage at room temperature has a long shelf life, but also transportation, storage and sales are very convenient, which is very suitable for the consumption needs of modern society.