Our GYTY53/GYTS53 cable, available for singlemode & multimode,the fibers are positioned in the loose tubes, the tubes are filled with water blocking filling compound.Tubes and fillers are stranded around the strength member into a circular cable core. Then the cable is completed with a PE sheath. Which is filled with the filling compound to protect it. After PSP is applied over the inner sheath, the cable is completed with a PE outer sheath.