| Properties | Product Data | Test Method |
| Standard ElectricalInsulating Rubber | General Purpose Electrical Insulating Rubber | Common ElectricalInsulating Rubber |
| NE-T-1NE-T-1U | NE-T-2NE-T-2U | NE-C-1NE-C-1U | NE-C-2NE-C-2U | NE-D-1NE-D-1U | NE-D-2NE-D-2U | NE-E-1NE-E-1U | NE-E-2NE-E-2U |
| Appearance | Product inherent color, no extraneous matter. | Visual Inspection |
| Density, g/cm3 | 1.48～1.56 | ASTM D792 |
| Hardness, Shore A | 62±4 | 60±4 | ASTM D2240 |
| Tensile Strength, MPa ≥ | 4.5 | 4.0 | ASTM D412 |
| Elongation at Break, % ≥ | 260 | 280 | 260 | 280 | 220 | 240 | 220 | 240 |
| Tension Set, % ≤ | 2.0 |
| Tear Strength, Die C kN/m ≥ | 13.0 | 12.0 | ASTM D624 |
| Volume Resistivity, Ω▪ cm ≥ | 7×1014 | 5×1014 | 3×1014 | 1×1014 | IEC 60093 |
| Dielectric Strength, kV/mm ≥ | 22 | 20 | 18 | IEC 60243 |
| Dielectric Loss , tg δ ≤ | 3×10-2 | 6×10-2 | 7×10-2 | IEC 60250 |
| Dielectric Constant | 3~4 |
| Tracking Resistance &Erosion resistance | 1A4.5 grade | pass | IEC 60587 |
| Erosion Depth, mm ≤ | 2.5 |
| Flame Retardancy, 3mm | FV-0 | IEC 60695-11-10 |
