NO |
Item |
Unit |
Index Value |
1 |
Vertical bending strength |
MPa |
≥340 |
2 |
Parallel impact strength (simply-supported beam method) |
KJ/ |
≥33 |
3 |
Parallel impact strength (cantilever beam method) |
kJ/ |
≥34 |
4 |
Vertical electric strength (in oil of 90℃±2℃,1mm) |
MV/m |
≥14.2 |
5 |
Parallel breakdown voltage (in oil of 90℃±2℃) |
kV |
≥35 |
|
Dielectric constant (below 48Hz-62Hz) |
- |
≤5.5 |
7 |
Dielectric constant (below 1MHz) |
- |
≤5.5 |
8 |
Thermostability |
℃ |
150 |
9 |
Oil resistivity in transformer oil 4h |
℃ |
130 |
10 |
Tensile strength lengthways horizontal |
MPa |
≥314 ≥216 |
11 |
Adhesive strength |
N |
≥5600 |
12 |
Dielectric dissipation factor (below 48Hz-62Hz ) |
- |
≤0.04 |
13 |
Dielectric dissipation factor (below 1MHz ) |
- |
≤0.04 |
14 |
Density |
g/ cm3 |
(1.8-2) |