Synthetic fibers are made of synthetic polymer compounds. Commonly used synthetic fibers include polyester, nylon, acrylic, vinylon, spandex, polyolefin elastic yarn, etc.
Due to its easy availability of raw materials, excellent performance, wide range of uses and rapid development, polyester production ranks first among chemical fibers. The biggest features of polyester are stable quality, good strength and wear resistance.
The fabrics made of it are stiff and not easily deformed. Polyester is also highly heat-resistant; it has good chemical stability and will not react with weak acids, weak bases, and oxidants at normal temperatures. take effect.
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Acrylic fiber is white in appearance, curly, fluffy, soft to the touch, and resembles wool. It is often used to blend with wool or as a substitute for wool, so it is also called "Synthetic wool". Acrylic fiber's hygroscopicity is not good enough, but its wettability is better than wool and silk fibers. Its abrasion resistance is poor among synthetic fibers, and the ironing temperature of acrylic fiber is below 130°C.
Spandex has excellent elasticity, is 2 to 3 times stronger than latex yarn, has a finer linear density, and is more resistant to chemical degradation. Spandex has good acid and alkali resistance, sweat resistance, seawater resistance, dry cleaning resistance, and abrasion resistance. Spandex fiber is generally not used alone, but is mixed into fabrics in small amounts, such as plied with other fibers or made into core-spun yarn for weaving elastic fabrics.