... textile. 490D,560D,620D,720D,840D,1120D,1680D for diaper. Soft spandex RYT902C 120D,180D,260D,560D,720D,840D,etc. We ... of segments.Due to the polymer chain is formed by soft segments and hard segments. Ruyi spandex can be stretched 5 ... to very near its original length and shape, and Lightweight, soft, smooth, supple,greater evenness,stability and thermal resistance. Certificate:Jining ...