Loose tube made of colored optical fiber without filling waterproof compound. Loose tube are stranded around the strength member which in the central of cable into cable core, a layer of water-blocking tap is longitudinal wrapped around the cable core, after Corrugated steel is longitudinal wrapped, an outer jacket is extruded.
SM: G652D、G655、G657 Or other single-mode optical fibers.
MM: A1a、A1b Or other multi-mode fibers.
Materials: polyethylene (PE), low smoke halogen-free flame retardant polyolefin (LSZH), flame-retardant polyethylene (ZRPE) or other materials.
Color: black or other agreed color.
Suitable to direct bury.
Suitable for duct.
Good mechanical and environmental performance.
High strength loose tube that is hydrolysis resistant .
Crush resistance and moisture barrier.
Easy for construction, convenient for cable splicing.