Common rubber jacketed flexible cable sheathing compound
 This product is produced according to requirements of national standard GB/T7594.4-87 and is suitable for common rubber jacketed flexible cable.
Indicator requirements and measured performance
| No. |
Item |
Unit |
Standard requirements |
Measured value |
| 1 |
Tensile strength |
MPa |
≥7.0 |
8.0 |
| Elongation at break |
% |
≥300 |
350 |
| 2 |
Air oven aging test 75±2℃×240 h |
| Tensile strength change rate |
% |
±20 |
8 |
| Elongation at break |
% |
≥250 |
320 |
| Change rate of elongation at break |
% |
≤-20 |
-15 |
| 3 |
Thermal extension test 200±3℃×15 min×0.2N/mm2 |
| Elongation under load |
% |
≤175 |
50 |
| Permanent deformation after cooling |
% |
≤25 |
10 |
|
