... do as customers' requirements. type,include:50D/36F,75D/36F,100D/36F,125D/36F,130D/36F,150D/48F,200D ... /96F,300D/96F Although the fiber made by PBT has the similar characters with polyester fiber,thr ... temperature of PBT fibers melting point andglassily is more lower than ... bandage for medical treatment.Space:30D-300D(DTY) PBT stretch yarn 40D-300D