Express bags classified express bag, courier file closure, courier bubble bags, courier bags, courier bags and so on.
(HDPE) is usually said PO, courier plastic bags with low cost, light weight, etc., PE and PO in the delivery of plastic bags (high-density polyethylene), low-density polyethylene (LDPE) The difference is: PE transparency, softness is better, the printing color is relatively bright; PO has a relatively good mechanical properties; in the domestic courier bags are the same as the use of PE as the main material, and foreign countries are using PE, PO as a courier The main material of the bag.
2. Express documents sealed material: the general white to the white paper, white cardboard, cattle cardboard, mostly. Express industry generally use 200 grams / square meter to 450 grams / square meter of paper weight., Courier file closure faster delivery of plastic bags with a flat, not easy to break the advantages.
3. Express Bubble Bags Material: A transparent flexible bag filled with air in the middle layer of air cushion film. It is mainly used for the packaging industry with small volume fragile, easy to damage and less precision goods. There are countless small bubbles in the bubble film, so the body is light, elastic, has good shock absorption, impact resistance, as well as non-toxic, tasteless, moisture, corrosion resistance and so on.
(Polyethylene (LDPE)) and high-pressure wire (LDPE), which are made of polyethylene (LDPE) and high-pressure linen Polyethylene (LLDPE) A blown film can be used to form a plastic bag that can be re-sealed. Bone bags can be used for a variety of small items inside and outside the packaging. The use of food-grade raw materials produced by the self-styled bag can store a variety of small food, tea, seafood, moisture, water, pest control, to prevent things scattered.
5. Express woven bag: also known as snakeskin bag. Is a kind of plastic, packaging, and its raw materials are generally polyethylene, polypropylene and other chemical plastic raw materials. Woven bag color is generally white or gray, non-toxic and tasteless, the human body damage is generally small, although it is made of a variety of chemical plastics, but its strong environmental protection, and recovery efforts; mainly for a variety of Items are packed and packaged for use in a wide range of industries.
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