How many kinds of packaging bags can be divided according to different raw materials?

1. PE packaging bag: PE is the abbreviation of polyethylene, which is a kind of thermoplastic resin made by polymerization of ethylene. In industry, it also includes ethylene and a small amount of carbon α- Copolymers of olefins; The finished product is a kind of transparent plastic bag, which can be used in the packaging of clothing, bags, electronic products, etc. it has various styles and quality, and has a wide range of applications. Generally, it can be divided into PE flat bag, self sealing bag, chain clip bag, envelope bag, punching bag, hand in hand bag, zipper bag, PE film, etc; 2. Opp packaging bag: OPP is polypropylene, bidirectional polypropylene, with the characteristics of high transparency and brittleness, easy to use, beautiful and generous, widely used in clothing, food, printing, stationery, cosmetics, paper and other industries. It can also print various patterns and punch butterfly holes and airplane holes according to customers' needs; 3. Aluminum foil bag: aluminum foil bag is a kind of bag made by a bag making machine after compounding a variety of plastic films. It can be used to package food, medicine and a variety of daily necessities. Aluminum foil bag is also called pure aluminum bag. Aluminum foil bag packaging usually refers to aluminum plastic composite vacuum packaging bag. This kind of product is suitable for moisture-proof of large precision mechanical equipment, chemical raw materials and pharmaceutical intermediates Avoid light and vacuum packaging. Four layer structure is adopted, which has good water and oxygen isolation function. Its characteristics can be made into a variety of packaging bags, can be customized in different sizes and different styles, can also be made into flat bags, three-dimensional bags, organ bags and other styles; 4. Kraft paper bag: kraft paper bag is a kind of packaging bag made of all natural wood pulp. It is green and pollution-free. It is in line with the requirements of the current national promotion of environmental protection. According to the specific needs, it can be made into various kinds of waterproof, moisture-proof and good sealing bags, which are used in food, supermarket shopping bags, clothing and other industries; 5. Aluminized bag: it is a kind of composite packaging bag with many advantages, such as low production cost, exquisite printing, anti-static, anti ultraviolet, moisture-proof, oxygen proof, light proof, cold resistant, oil resistant, high temperature resistant, fresh-keeping, oxygen proof and easy sealing. It is used in food, daily chemical, pharmaceutical, chemical and other industries, and can be made into self-supporting bags, special packaging bags, etc.

21

2021

/

07