we can do as customers' requirements. type,include:50D/36F,75D/36F,100D/36F,125D/36F,130D/36F,150D/48F,200D/96F,300D/96 Although the fiber made by PBT has the similar characters with polyester fiber,thr temperature of PBT polyester yarn melting point andglassily is more lower than polyester fiber,which improve the softness and elasticity on its macro-molecule chain. Therefore,it also has some ...