yellow polyestrer yarn for optical fiber cable ,take the place of aramid kevlar yarn,1000D,1500D PP yarnPP filament yarn 300D,600D,840D,900D,3000D, ... 1000M/KG,0.5--10mm,,any color PP CABLE FILLER YARN 10000D,30000D,100KD,200KD---for belt,cloth,packing,Agriculture, cable ... fillermesh of yarn, filament pp filler yarns are produced out of PP material ...