... with high elasticity and elasticity recovery Spandex, scientifically called as polyurethane fiber, is a kind of special fiber with ... INVISTA U.S.A., Hyosung Korea, Taekwang Korea, Yantai spandex China and Tongkook Korea. Spandex polymer belongs to a linear block copolymer, ... dyeability and dye fastness etc, so it is a new type of textile material with superior comprehensive performances. Spandex Fiber