Loose tube made of color coating fibers and filled with waterproof compounds. Loose tube stranded around the strength member which in the central of cable into cable core, a layer of water-blocking tape longitudinal wrapped around the cable core, after Corrugated steel longitudinal wrapped, an inner PE jacket extruded, then pvc outer jacket extruded.
SM: G652D、G655、G657 Or other single-mode optical fibers.
MM: A1a、A1b Or other multi-mode fibers.
Materials: flame-retardant polyvinyl chloride (PVC), polyethylene (PE) or other materials.
Color: blue or other colors.
Suitable for Mine.
Used for shaft and roadway of tunnel.
Good mechanical and environmental performance.
High strength loose tube that is hydrolysis resistant.
Good tensile and crush performance.
Good flame-retardant and rodent resistanceperformance.