Ads by Google
| SPECIFICATION OF COLD-RESISTANCE PVC FOR CABLE | ||||
| PROPERTY | UNIT | SPECIFICATION | TEST | |
| HR-70 | JR-70 | |||
| tensile strength | Mpa | ≥16.3 | ≥16.8 | GB1040 |
| Elongation at break | % | 320 | 310 | GB1040 |
| Thermal agining 100°C 168h | -- | -- | -- | -- |
| tensile strength at aging | Mpa | 15.4 | 16 | GB1040 |
| Maximum change rate of Tensile Strength | % | -7.1 | -4.8 | -- |
| Elongation ate Break after aging | % | 300 | 290 | GB1040 |
| Maximum change rate of Elongation at break | % | -11.8 | -6.5 | -- |
| Weight Loss after Thermal aging | g/cm3 | 9.6 | 11.2 | -- |
| Thermal deformation | % | 45 | 35 | -- |
| Brittle point of Low temperature impact | °C | (-)40pass | (-)40pass | GB5470 |
| Thermal stable time at 20°C | min | 100 | 95 | -- |
| Volume resistivity at 20°C | Ω.m | 5.6*1010 | 2.2*1013 | GB1410 |
| Volume resistivity at working time of 20°C | Ω.m | -- | 3.5*109 | GB1410 |
| Dielectronic strength | mv/m | 28 | 27 | GB1408 |
70 celsius degree cold-resistance pvc compound as wire and cable insulation