Stranded Non-metallic Air-blowing Micro Cable

The fibers,250μm,are positioned in a loose tube made of a high modulus plastic.The tubes are filed with a water-resistant filling compound.A Fiber Reinforced Plastic (FRP) locates in the center of core as a non-metallic strength member.The tubes(or fillers) are stranded around the strength member into a compact and circular core.The cable core is protected from water ingress by water-blocking yarn.The cable is completed with a HDPE sheath.