Fiberglass Yarn ItemC-glass Fiberglass YarnAlkali free glass fiber yarnE-glass Fiberglass Direct Roving YarnE-glass Bulked Fiberglass Yarn MaterialC-glass ballE-glass BallMineralE-glass direct yarn Diameter9-11um9-11um9-17um9-13um Tex33/66/13433/66/134136/200/272/300/400/500/600430/580/860/1200 Sizing typeparaffin, silane,starchparaffin, silane,starchsilane, starchsilane, starch Twist...