Fiber optic OBUC SM CableOptical Buried Unfilled Cable |
| 1. Standard : TCI, IEC, TIA/EIA |
2. Fiber optic : SM type acc. to ITU-T G 652 type D
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| 3. Central strength member : non metalic FRP |
| 4. Water swellable yarn : over central strength member |
| 5. Loose tube : PBT compound , group 1, class 2, grade 1 of TPES acc. to ASTM D4507 |
| 6. Identification : Fiber optic and loose tube color acc. to TCI or IEC |
| 7. Thixotropic jelly : Inside of loose tube |
| 8. Stranding : FRP in center and loose tube with filler wire stranding around FRP |
| 9. Wrap : water swellable tape helically with min 30% overlap |
| 10. Ripcord : 2 Diametrically opposed ripcords for strip jacket |
| 11. First jacket : LDPE compound type I, class C, category 4 or 5 and grade J3 acc. to ASTM D1248 |
| 12. Armour : One layer of corrugated tinned plate steel tape ( or copolymer coated steel tape ) longitudinally applied over first jacket |
| 13. Ripcord : 2 Diametrically opposed ripcords for strip jacket |
| 14. Jacket : HDPE compound , type III class C category 4 or 5 grade J3 acc. to ASTM D1248 |
