Water blocking aramid yarn is for sepcial optical cable.
Specification
| Dtex | 1670
|
Density
| g/cm3 | 1.44
|
| Breaking tenacity | CN/Dtex
| 19.8±0.5 |
| Breaking strength | N
| 339
|
| Elongation | % | ≤3 |
| Modulus | GPa | ≥118 |
| Swelling speed | ml/g/1min
| 35
|
| Swelling capacity | ml/g/5min
| 45 |
| Limited Oxygen Index | LOI% | ≥29 |
| Melting point | °C | >600 |