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The fibers,200/ 250μm, are positioned in a loose tube made of a high modulus plastic. The tubes are filled with a water-resistant filling compound. A steel wire, sometimes sheathed with polyethylene (PE) for cable with high fiber count, locates in the center of core as a metallic strength member. Tubes (and fillers) are stranded around the strength member into a compact and circular cable core. The cable core is filled with the filling compound to protect it from water ingress, over which a thin PE inner sheath is applied. After the PSP is longitudinally applied over the inner sheath, the cable is completed with a PE outer sheath.

· Good mechanical properties and temperature characteristics

· The loose tube material itself has good water resistance and high strength

· The tube is filled with special ointment to protect the optical fiber critically

· PE sheath has good anti-ultraviolet radiation performance

· Good pressure resistance, suitable for pipeline or direct buried wiring

· Single steel wire center reinforcement core 

· The loose tube is filled with special waterproofing compound

· Complete core filling

·  Double-sided plastic-coated steel belt (PSP) improved moisture resistance of fiber optic cables

· Good water blocking material to prevent longitudinal water seepage of optical cable

·GYTY53 cable complies with Standard YD/T 901-2009 as well as IEC 60794-1.