With the development of society, the use of felt bags is more and more widely, in fact, most of the felt bags are made of wool, and the wool felt produced is mainly used in industry. When wool is used to produce felt bags, it is mainly distinguished according to the thickness, density and luster of wool, while the technical requirements are classified according to strength, elongation and capillary effect.
In addition to wool felt packs, there are many other kinds of felt packs, the most commonly used is chemical fiber felt, which is a natural or manually processed polymer materials as raw materials, and then processed by physical and chemical processing of the fiber. Chemical fiber felt is characterized by strong flexibility and moisture retention, and then reached a certain length can be used for leather rolling belt, in other fields also have a very wide range of applications.
As with the industrial fiber felt package is the same, color chemical fiber felt is also very popular, in fact, color felt package is mainly made of color wool and fiber materials mixed. The earliest felt bags were all textile forms. At that time, they were mainly made of non woven fabrics. Wool felt packs are very soft and very tough, and the fibers have good elasticity, comfortable touch, and very good reducibility, because wool felt packs in processed products after folding can be immediately back to the original, plus fiber, can make the structure More compact, and without special treatment can be integrated into one, very convenient.
At present, there are many kinds of felt bags on the market, and the quality is uneven, so in the selection, we must pay great attention to ensure that we can buy a very good felt bag.