This product is based on the national standard "JB/T 10738-2007: semi-conductive shielding materials for extruded insulated cables with rated voltages of 35KV and below", the index requirements for peroxide cross-linked semi-conductive shielding materials for ethylene-propylene rubber insulated cable insulation. Production, suitable for cable conductors, long-term allowable cable with a maximum operating temperature of 90 ° C, characterized by excellent processing performance and stable performance.
| Serial number | project | unit | HBD | HBD-1 | ||
| Claim | Measured value | Claim | Measured value | |||
| 1 | Dense | g/cm3 | ≤1.20 | 1.10 | ≤1.20 | 1.11 |
| 2 | Tensile Strength | Mpa | ≥6.0 | 7.5 | ≥6.0 | 8.0 |
| Elongation at break | ％ | ≥180 | 260 | ≥200 | 330 | |
| 3 | Hot air aging test | 135±2℃×168h | ||||
| Tensile strength change rate ≤ | ％ | ±30 | 7 | ±30 | 9 | |
| Breaking elongation change rate ≤ | ％ | ±30 | -18 | ±30 | -20 | |
| 4 | Impact embrittlement | ℃ | -40 | -45 | ||
| Impact embrittlement performance | Number of failures | ≤15/30 | 10/30 | ≤15/30 | 9/30 | |
| 5 | Heat extension | 0.2Mpa 200±2℃×15min | ||||
| Elongation under load | ％ | ≤80 | 20 | ≤80 | 20 | |
| Permanent deformation after cooling | ％ | ≤10 | 6 | ≤10 | 6 | |
| 6 | Volume resistivity at 20 ° C | Ω.cm | ≤100 | 70 | ≤100 | 50 |
| 7 | Volume resistivity at 90 ° C | Ω.cm | ≤10000 | 5000 | ≤5000 | 2000 |
| 8 | Volume resistivity after hot air aging | 100±2℃ | ||||
| Volume resistivity at 90 ° C | Ω.cm | |||||
Semi-conductive shielding compound 2019-8-30 本文被阅读 2456 次
| PREV:EPDM insulation rubber |
Contact: Manager Zhang
Mobile: 18660668323
Landline: 0536-7371003
Company Address: Hanting District, Weifang City, Shandong ProvinceLingang Logistics Industrial Park South Road
