Nowadays, the express delivery industry is developing very rapidly, and parallel to this is the rapid development of tools related to the express delivery industry, such as packaging tools, and express bags are one of them. Express bags are cheap and have good waterproof properties, so they are widely used in the express industry.

There are many types of express bags. If divided according to materials, they can be divided into express bubble bags, express ziplock bags, express co-extruded bags, express woven bags, express document seals, etc. Next, let us take a closer look These different kinds of express bags.

1. Express bubble bags. This type of express bag is mainly used for packaging small, fragile, delicate and easily damaged items. There is a layer of shock-absorbing bubble film inside it. There are a lot of bubbles in this layer of bubble film, which makes the interior of the express bubble bag elastic, with excellent shock-absorbing effect and strong impact resistance. In addition, the express bubble bag It is also non-toxic, odorless, moisture-proof and corrosion-resistant.

2. Express ziplock bags can also be used as express sealed bags. Bone bags produced using food-grade raw materials can be used to package tea, seafood and other express goods. They are moisture-proof, waterproof and insect-proof.

3. Express co-extrusion bags. The main production materials of this kind of express bags are LDPE and HDPE. Express bags produced with the former as the main material have good transparency and softness, and the printed colors are also brighter. Express bags made of the latter as the main raw material have excellent mechanical properties.

4. Express woven bags, also known as snakeskin bags, are generally made of polyethylene, polypropylene and other raw materials. Although this kind of bag is made of various chemical plastics, its overall environmental performance is excellent thanks to its high recycling rate. The color of express woven bags is generally off-white or white, and they are non-toxic and odorless.

5. Express document seal. As the name suggests, this kind of express bag is mainly used for packaging documents, invoices and other express transportation. It has the advantages of being flat and not easily broken. The main production materials are white cardboard, gray background white board paper, etc.