What raw materials are used in the production and processing of non-woven fabrics?
Non-woven fabric is a commonly used textile product for medical hygiene materials. The production of masks requires non-woven fabrics. Because of the impact of the epidemic, people have begun to pay attention to the raw materials for the production and processing of non-woven fabrics. Many people mistakenly It is thought that the raw material for the production of non-woven fabrics is only polypropylene, but it is not. In fact, there are mainly three kinds of raw materials for the production and processing of non-woven fabrics. According to the advantages and disadvantages of each raw material, the processing cost and sales price of non-woven fabrics are often different.
Non-woven fabrics mostly use polypropylene (pp material) pellets as raw materials, and are produced by continuous one-step process of high temperature melting, spinning, laying, hot pressing and coiling.
The three major fibers used in non-woven production are polypropylene (62% of the total), polyester (24% of the total) and viscose (8% of the total). Between 1970 and 1985, viscose fibers were used the most in the production of non-woven fabrics. However, in the past five years, in the field of sanitary absorbent materials and medical textiles, the application of polypropylene fibers and polyester fibers has begun to dominate.
There are many materials of non-woven fabrics, which are mainly distinguished by what they are used for. Here I will briefly explain, the materials are polyester, polypropylene, aramid, acrylic, nylon, composite, ES, 6080, vinylon, spandex, etc. I said they are all fibers. The sales price of non-woven fabrics produced by different materials and different processes varies greatly.
For the upstream of the non-woven industry, polypropylene, polyester, viscose, polyester and other raw materials are highly dependent on foreign countries. Affected by the epidemic, there have been problems in the supply of non-woven raw materials, and various production The transportation of raw materials for processing non-woven fabrics is blocked, and the supply of non-woven raw materials is tight, which has led to the continuous rise of non-woven fabric prices!
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