Products
Multiple types of high-voltage insulators
| Data Type | Standard High VoltageInsulator | General Purpose High Voltage Insulator | Common High VoltageInsulator | |
| Item | HE-T-1 HE-T-1U | HE-C-1 HE-C-1U | HE-D-1 HE-D-1U | HE-E-1 HE-E-1U |
| Appearance | white,gray or dark-red,no obvious extraneous matter | |||
| Density(g/cm³) | 1.48±0.03 | 1.48±0.03 | 1.48±0.03 | 1.48±0.03 |
| Hardness(Shore A Points) | 60±2 | 60±2 | 58±2 | 58±2 |
| Temsile Strength(Mpa≥) | 4.5 | 4.0 | 4.0 | 4.0 |
| Elongation at Breakage(%≥) | 280 | 280 | 240 | 240 |
| Tension Set(%≤) | 4 | 4 | 4 | 4 |
| Tear Strength(kN/m≥) | 13 | 13 | 13 | 13 |
| Volume Resisitlvity(cm≥) | 7×1014 | 5×1014 | 3×1014 | 1×1014 |
| Dielectric Constant(8≥) | 3-4 | 3-4 | 3-4 | 3-4 |
| 8≥ Dielectric Loss Tangent( tg) | 3×10-2 | 6×10-2 | 7×10-2 | 7×10² |
| Dielectric Strength(kV/mm≥) | 22 | 20 | 18 | 17 |
| Tracking Resistance8 Erosion Resistance Class | TMA4.5, ≤2.5mmTMA4.5,Depth of Erosion≤2.5mm | |||
| FireResistance(Class) | FV-0 | |||
Physical and Mechanical Properties are based on first vulcanization data,Electrical Properties are drawn from second vulcanization data.
First vulcanization condition for test piece:175℃x5min Second vulcanization condition for test piece:200℃x5h
Vulcanizator:80% DMDBH,quantity added 0.65%
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