The fibersΦ250µm,are positioned in a loose tube made of high modulus materials ,The tube are filled with a water resistant filling compound ,The tube is wrapped with a layer of PSP longitudinally , Between the PSP an the loose tube water blocking materials is applied to keep the cable compact and watertight ,Two parallel steel wires are placed at two sides of the steep tape , the parallel steel wires are placed at the two sides tape , the cable is completed with a polyethylene (PE ) sheath .

　　Feature

　　Good mechanical and temperature properties

　　Loose tube itself has good hydrolysis resistance and high strength

　　Crush resistance and flexibility

　　Glass fiber to ensure cable crush strength

　　Small in diameter ,light weight and easy for cabling

　　Long cable delivery length