GYTA333 (Double-layer Steel Wire Armored, Corrugated Aluminum Tape Armored, Stranded Loose Tube Cable)

Underwater Optical Fiber Cable

The loose tubes are made of high modulus plastics (PBT) and filled with water resistant filling gel. Loose tubes are stranded around the metallic central strength member, cable core is filled with cable filling compound. The corrugated aluminum tape is longitudinally applied over the cable core, and combined with polyethylene (PE) inner sheath. Double layer galvanized steel wires are stranded around inner sheath, and then extruded with PE outer sheath.

Structure Features Applications Installation performance

Central strength member: FRP available

Loose tube: PP or other materials available

Water blocking materials for loose tube: water blocking yarn available

Water blocking materials for cable core: water blocking tape available

Outer sheath: aluminium tape armor, steel tape armor, anti-termite or flame retardant materials available


Excellent transmission, mechanical and environmental performance

Superior crush resistance and tensile strength performance

Applicable to harsh environment

Lifespan over 30 years

Underwater installation(lake, river etc.)

Direct-buried installation

Duct installation

Backbone network and metro network

Min. bend radius: installation 30D, operation 15D

Temperature range: storage -40~+70℃, installation -30~+70℃, operation -40~+70℃