Courier bags of different materials
Now logistics has become an industry, and almost no one does not need express delivery. Most couriers use courier bags for the packaging of goods. But do you know what materials these express bags are made of? Today, let YBJ introduce different materials of express bags to you.
Express bag refers to the bag used for packaging documents, documents, materials, goods, etc. in the express industry. Also known as courier bags, mailing bags, express packaging bags.
In addition to the use of customized express bags by major express companies, there is also the online shopping industry. Many merchants also customize express bags with their own characteristics in order to give customers a good image, enhance their image, and play a promotional role.
Generally speaking, for express bags, the following three raw materials are usually used:
1. PVC
The advantage is low cost.
The disadvantage is that the contact is toxic, and it is not suitable for packaging food, food containers and other items with hygienic requirements.
2. Polyethylene
Plastic raw materials generally contain CL atoms, which are toxic.
3. PE material.
