Courier Packing BagBecause of its economy, waterproof, lightweight, more and more become the transport, especially e-commerce transport in the field of the preferred packaging products, then how to identify the quality of a courier bag good or bad?
The material of The courier bag is low density polyethylene (LDPE), which is usually said to be high-pressure PE, it has non-toxic, tasteless, odorless, excellent low temperature resistance, softness and other characteristics; High density polyethylene (HDPE), also known as PO is called low-voltage PE, it is also non-toxic, tasteless, odorless, abrasion resistance, impervious water , but the softness is poor, there is a strong rigidity
The bag in the market is divided into new materials and recycled materials, new bags such as Shunfeng bags, general courier Company's general bags are made for recycled materials.
According to the characteristics of the material to judge the quality of a bag is simply to say a smell of two touch three
The heavier the smell, the worse the material, the added other plastic to go in, some merchants in order to cover up the stench deliberately add flavor, so the taste of heavy bags whether smelly or fragrant is harmful to the body
The better the surface gloss of the two-touch bag shows the purer the raw material and the higher the quality
Three RIP is toughness, some bags in a straight line like a piece of paper broken, that bag is also poor, good bag in the process of tearing even if the outer layer of the inside will still be connected.