BLACK HDPE COMPOUND FOR CABLE COMPOUND MATERIAL AS SHEATH
1,sheath of optical cable,submarine optical fiber cable , power cable , 2,the highest temperature is 70.
| SPECIFICATION OF HDPE FOR CABLE SHEATH | |||
| PROPERTY | UNIT | SPECIFICATION | TEST |
| Melt Flow Index | g/10min | ≤2.0 | ASTM D1238 |
| Density | g/cm3 | 0.945-0.987 | ASTM D1505 |
| tensile strength | Mpa | ≥20.0 | ASTM D638 |
| Elongation at break | % | ≥650 | ASTM D638 |
| Brittle temperature at low temperature | °C | ≤-76 | ASTM D746 |
| ESCR ,FO | H | ≥500 | ASTM D1693 |
| Oxidation induction period at 200°C | Min | ≥30 | ASTM D3895 |
| Content of Carbon black | % | 2.60±0.25 | ASTM D1603 |
| Carbon Black dispersion | -- | ≥6 | GB2951 |
| Absorption coeffcient | -- | ≥400 | |
| Ceka softening point | °C | ≥110 | ASTM D1525 |
| Dielectric strength | Mv/m | ≥25 | ASTM D149 |
| Volume resistivity | Ω.m | ≥1*1014 | ASTM D257 |
| Dielectric Constant | -- | ≤2.75 | ASTM D1505 |
BLACK HDPE COMPOUND FOR CABLE COMPOUND MATERIAL AS SHEATH
