Courier Packing BagClassification by material distribution of express plastic bags, courier document Seals, express bubble bags, courier bone bags, courier woven bags and so on.

1. Express Plastic bag Material: low density polyethylene (LDPE) commonly said PE, high density polyethylene (HDPE) commonly said PO, courier plastic bag has the advantages of low cost, light weight and so on.

PE and PO in The Courier Plastic bag difference: PE Transparency, softness is better, printing color is relatively bright; PO has a relatively good mechanical properties; In the domestic express bag is the use of PE as the main material, and foreign is the use of PE, PO complex cooperation as the main material of the courier bag.

Polyethylene Express bag in the market there are two categories: one is a new material courier bag, the other is recycled material courier bag

2. Courier File seal material: generally to gray bottom whiteboard paper, white cardboard, cow cardboard, mostly. Express industry generally use 200 grams/square meters to 450 grams/square meters weight of paper., Express document seal than Express plastic bag has the advantages of flat, not easy to break.

3. Express Bubble Bag Material: a transparent soft packing bag filled with air by the middle layer of the hoverboard film. Mainly used in the express industry small volume fragile, easy to damage, less precision goods packaging purposes. Express bubble bag with shock absorber bubble film, bubble film has countless small bubbles, so lightweight, elastic, with good damping, impact resistance, but also non-toxic, tasteless, moisture-proof, corrosion resistance and other advantages.