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