What raw materials are non-woven fabrics made of?

Polypropylene fiber (polypropylene fiber) is the main fiber raw material for producing non-woven fabrics, but it is not the only raw material. Polyester fiber (polyester fiber), polyamide fiber, polyacrylonitrile fiber and viscose fiber can all be used to produce non-woven fabrics. In addition to the above chemical fibers, natural fibers such as cotton, hemp, wool and silk can also be used to produce non-woven fabrics.

Often most people think that non-woven fabrics are chemical fiber products when they mention them, which is actually a misunderstanding of non-woven fabrics. Like the clothes and fabrics we usually wear, non-woven fabrics are also divided into chemical fiber non-woven fabrics and natural fiber non-woven fabrics, but chemical fiber non-woven fabrics are more common.

classify

Polypropylene long fiber can be divided into ordinary long fiber and fine denier long fiber (monofilament fineness ≤2.2 dtex, which can be used to produce clothing and decoration and some industrial filament products. Polypropylene fine denier long fiber has good luster, soft hand feeling, good drape and low density, which is suitable for knitting industry. When it is interwoven with cotton, viscose yarn, silk and spandex to form cotton sleeves, silk sleeves and other products, it is an ideal material for making high-end sportswear and T-shirts.

The production process of polypropylene staple fiber mostly adopts porous, low-speed and continuous process, that is, short spinning process. Polypropylene staple fiber blended with cotton can be made into polypropylene cotton fine cloth and bed sheets, that is, fiber blended with viscose can be made into blankets, polypropylene pure spinning and blended wool, polypropylene blankets, carpets and polypropylene cotton wadding cigarette filters.

The thickness of the fiber for sanitary products is 1.5-2.5dtex, and the thickness of the fiber for floor cloth is 5- 10 dtex. The length of optical fiber is 1.5-200.0 mm, depending on the purpose of optical fiber. The length of short fiber used for concrete is 1.5-200.0 mm, generally 40.0 mm for diapers and 60.0 mm for base fabric. ..