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Four categories of express bags

Source: http://voltermc.com/??sag沙龙国际??/68.html Published: 2019-05-24

Courier bags refer to bags used for packaging documents, documents, materials, goods, etc. in the express delivery industry. At present, plastic express bags made of polyethylene are more used, which have the characteristics of low cost, convenient use, and good waterproof performance.

In addition to the major courier companies using customized courier bags, there is the current online shopping industry. In order to give customers a good image, as well as enhance the image and play a promotional role, they also customize their own express delivery. bag. Express bags are classified into express plastic bags, express document seals, express bubble bags , and express woven bags.

1. Material of express plastic bags: Low density polyethylene (LDPE) is usually called PE, high density polyethylene (HDPE) is usually called PO. Express plastic bags have the advantages of low cost and light weight.

2. Material of express bubble bag: a kind of transparent soft packing bag filled with air from the middle layer of air cushion film. It is mainly used for the packaging of small size, fragile, easily damaged and less precise goods in the express delivery industry. Courier bubble bag contains shock-absorbing bubble film . There are countless small bubbles in the bubble film, so it is light and flexible.

3, express document seal material: generally with gray-backed white paper, white cardboard, cattle cardboard, mostly. The express delivery industry generally uses paper with a weight of 200 g / m2 to 450 g / m2. Express document seals have the advantages of being flat and not easily broken than express plastic bags.

4, express woven bag: also known as snake skin bag. It is a kind of plastic used for packaging. Its raw materials are generally various chemical plastic materials such as polyethylene and polypropylene. The color of the woven bag is generally white or off-white, non-toxic and tasteless, and generally less harmful to the human body. Although it is made of various chemical plastics, it has strong environmental protection and strong recycling strength; it is mainly used for various The packaging and packaging of articles are widely used in industry.

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