Industry News

Courier Bags Introduction (一)

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Author : lefengpacking
Update time : 2020-11-04 14:39:53

Courier bags refer to the bags used for packaging documents, receipts, materials, and goods in the express industry. Also known as courier bags, mailing bags, and express packing bags.


At present, plastic express bags made of polyethylene materials are more commonly used, which have the characteristics of low cost, convenient use and good waterproof performance.

In addition to the use of customized express bags by major express companies, there is also the current online shopping industry. In order to give customers a good image, enhance the image, and play a promotional role, they also customize express delivery with their own characteristics. bag.


The classification of express bags is divided into express plastic bags, express document seals, express bubble bags, express bone bags, express woven bags, etc. according to materials.


1. Express plastic bag material: low-density polyethylene (LDPE) usually refers to PE, high-density polyethylene (HDPE) usually refers to PO, express plastic bags have the advantages of low cost and light weight.


The difference between PE and PO in express plastic bags: PE has better transparency and flexibility, and the printing color is brighter; PO has relatively good mechanical properties; PE is used as the main material in domestic express bags, but it is generally used abroad. PE, PO complex cooperation as the main material of express bags.


There are two types of polyethylene express bags in the market: one is new material express bags, the other is recycled material express bags.

More information pls also check our web:

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