What is non-woven bag?

Edit:admin    source:未知     Date:2018-09-05 12:56    viewed:
What is  non-woven bag?
 
Non-woven fabric is a kind of nonwoven fabric. It is a new type of fiber product with soft, breathable and flat structure, which is formed by various fiber net forming methods and consolidation techniques using high-polymer chips, short fibers or filament. The advantages of non-woven bag compared with traditional plastic bag: non-woven bag is cheap, good quality, environmentally friendly and practical, widely used, and has prominent advertising position. Applicable to all kinds of business activities and exhibition fair, is the ideal advertising promotional gifts for enterprises and institutions.
 
The raw material of the non-woven bag is polypropylene, while the raw material of the plastic bag is polyethylene. Although the names of the two substances are similar, they are quite different in chemical structure. The chemical molecular structure of polyethylene is very stable and difficult to degrade, so it takes 300 years for plastic bags to decompose. While the chemical structure of polypropylene is not strong, the molecular chain can easily break, which can effectively degrade, and enter the next environmental cycle in the non-toxic form, a non-woven bag can be completely decomposed within 90 days.
 
Non - woven cloth is a kind of non - woven cloth which does not need textile process. As a result, it is only necessary to carry out directional or random strands of textile staple or filament to form a fiber network structure, which can be made by mechanical, thermal or chemical reinforcement. The non-woven bag is mostly made of spunbonded non-woven cloth.
 
To put it simply: the non-woven fabric is not interwoven and woven from one yarn to another. Instead, the fibers are bonded together directly through physical means. Therefore, when you get the adhesive weight in your clothes, you will find that there is no way to pull out one thread. Nonwovens break through the traditional principles of textile, and have short technological process, production speed, high output, low cost, wide use, sources of raw materials and other characteristics.
 
Laminated non-woven fabric bag, the product adopts the way of flow delay, and is compound firmly. In the compound process, it is non-adhesive, soft, plastic-free and non-irritant to skin. This cloth bag is called a laminated non-woven bag
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