Summary:Basic Features:Spandex translated as "Spandex", is an elastic fiber, scientific name Polyurethane fiber (Polyurethane), ...
Spandex translated as "Spandex", is an elastic fiber, scientific name Polyurethane fiber (Polyurethane), abbreviated (PU). It is called "spandex" in mainland China. It is highly elastic and can be stretched 6 to 7 times, but it can quickly return to its original state with the disappearance of tension. Its molecular structure is a chain-like, soft and extensible Polyurethanes that enhance their properties by linking together hard segments. Elastic fibers are divided into two categories: one is polyester chain; the other is polyether chain. Polyester elastic fibers have strong anti-oxidation and oil resistance; polyether elastic fibers have good mildew resistance and detergent resistance.
Spandex has excellent elasticity. The strength is 2 to 3 times higher than that of latex silk, the linear density is also finer, and it is more resistant to chemical degradation. Spandex has good acid and alkali resistance, sweat resistance, seawater resistance, dry cleaning resistance and abrasion resistance.