Item | Unit | Standard Value | Test Value |
Flexural strength perpendicular to laminations A: Under normal conditions E-1/150: Under 150±5ºC | MPa | ≥ 340 ≥ 170 | 402 195 |
Notch Impact strength parallel to lamination (charpy) | kJ/m2 | ≥ 37 | 49 |
Dielectric strength perpendicular to lamination (in oil 90±2ºC) 2.0mm in thickness | kV/mm | ≥ 11.8 | 15.8 |
Breakdown voltage parallel to lamination (in oil 90±2ºC) | kV | ≥ 45 | >60 |
50 Hz dielectric coefficient | - | ≤ 5.5 | 4.20 |
50 Hz loss factor /50 Hz | - | ≤ 0.04 | 0.023 |
Water absorption rate D-24/23, 1.6mm in thickness | % | ≤0.25 | 0.18 |
Insulation resistance impregnated in water, D-24/23 | Ω | ≥ 5.0×1010 | 3.2×1011 |
Bonding strength | N | ≥6500 | 7880 |
Tg (TMA ) | ºC | -- | 150 |
Density | g/cm3 | 1.70-1.95 | 1.90 |