... .Aramid Yarns,excellent tensile strength 4.PVC,LSZH Description:4~12 Fibers Aramid Yarns Indoor Flat Fiber Ribbon CableThe fiber ribbon ... with high modulus soft aramid yarn as strength member Its rectangular outer sheath is shaped by a special material extrusion technique ... of fiber2, Fiber Count:usually 2, 4 ,6, 8 or 12 , or other specified fiber count by clients3, Jacket Material: Environmental ...