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In the GYTC8A cable, singlemode/multimode fibers are positioned in the loose tubes, while the loose tubes
strand together around metallic central strength member into a compact and circular cable core, and the water-blocking
materials are distributed into interstices of it. After a PSP/APL is applied around the cable core, this part of cable accompanied
with the stranded wires as the supporting part are completed with a PE sheath to be a figure-8 structure.
Structure details
| Fiber count | 12F | ||||||
| SM fiber | Fiber type | G652D | core concentricity error |
≤0.5um | |||
| MFD | 8.6～9.8um | cladding non-circularity |
≤0.7% | ||||
| Cladding diameter | 124.8±0.7um | Fiber colore | blue white yellow green grey red orange black pink violet brown aqua |
||||
| Loose buffer | Material | PBT | Color | blue white yellow | |||
| Diameter | 2.0±0.05mm | Thickness | 0.3±0.05mm | ||||
| Filler rod | Material | PP | Color | white | |||
| Diameter | 2.0 | Qty | 2 | ||||
| Strength member | Diameter | FRP | Diameter | Φ2.0 | |||
| Self-supported wire | Diameter | galvanize steel stranded wire | Diameter | 1.2*7-3.6 | |||
| Gallus | Thickness | 2X2.5(+/-0.5) | |||||
| Water blocking system | Diameter | water blocking tape | |||||
| Armor | Diameter | Aluminum tape | |||||
| Out sheath | Diameter | PE | Color | Blck | |||
| Diameter | 6.6(±0.3)×11.5(±0.3) | Thickness | 2.0±0.2 | ||||
Color
| No. | Fiber 1 | Fiber 2 | Fiber 3 | Fiber 4 | Tube 1 |
| Color |  |
 |
 |
 |
 |
| No. | Fiber 5 | Fiber 6 | Fiber 7 | Fiber 8 | Tube 2 |
| Color |  |
 |
 |
 |
 |
| No. | Fiber 9 | Fiber 10 | Fiber 11 | Fiber 12 | Tube 3 |
| Color |  |
 |
 |
 |
 |
Mechanical and environment performance
| Tensile strength | Max. | 5000N | |||||
| crush load | Max. | 1000N/100mm | |||||
| Bending radius | Dynamic | 20D | |||||
| Static | 10D | ||||||
| Temperature | -20℃～+70℃ | ||||||
Fiber Performance
| Fiber style | Unit | SM G652D | MM 50/125 | MM 62.5/125 | ||||
| Condition | mm | 1310/1550 | 850/1300 | 850/1300 | ||||
| Attenuation | dB/km | ≤0.36/0.22 | ≤3.0/1.0 | ≤3.0/1.0 | ||||
| Cladding diameter | um | 125±1 | 125±1 | 125±1 | ||||
| Cladding non-circularity | % | ≤1.0 | ≤1.0 | ≤1.0 | ||||
| Coating diameter | um | 242±7 | 242±7 | 242±7 | ||||
Package
Packing material: Wooden drum.
Packing length: 2km per drum or customization.
