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The fibers, 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.
Cable construction details :
Number of fiber | 24-144core | |||||||
Filling rope | 4-0 | |||||||
Moisture Barrier | Water blocking system | |||||||
Central strength member | material | Steel wire/FRP | ||||||
size | 1.4mm | |||||||
Tube-filling | Tube filling compoun | |||||||
Inner sheath | material | PE/HDPE | ||||||
diameter | 2.0mm | |||||||
Loose tube | material | PBT | ||||||
diameter | 2.2(outer/inner) | |||||||
Inner armored | material | Aluminium tape | ||||||
Outer armored | material | Corrugated steel tape | ||||||
Outer sheath | material | PE/HDPE | ||||||
diameter | 1.7±0.2mm |
Fiber color
Number of fiber per tube 8cores | 1 | 2 | 3 | 4 | 5 | 6 |
Blue | Orange | Green | Brown | Grey | White | |
7 | 8 | 9 | 10 | 11 | 12 | |
Red | Black | Yellow | Violet | Pink | Aqua | |
Color 13~24 will be marked with a black tracer. For black color no need marked black tracer, will use nature color instead. |
Package
1.Packing material: Wooden drum | |||||||
2.Packing length: standard length of cable shall be 2 km. Other cable length is also availabler | |||||||
if required by custome |
Cable marking and cable reel marking
The cable sheath shall be marked with white characters according to customer's requirement.