Items | Unit | 3025 | 3025A | 3026 | 3027 |
IEC | PFCC201 | PFCC202 | PFCC203 | PFCC305 | |
Vertical Layer Bending Strength (normal) | MPa | ≥100 | ≥90 | ≥110 | ≥125 |
Resistance to impact (Charpy), parallel | KJ/m2 | ≥7.8 | |||
Bonding strength @ 20ºC | N | 5500 | -- | -- | -- |
Vertical Layer Electrical Strength(90ºCtransformer oil)(1mm thickness) | KV/mm | ≥5.1 | |||
Parallel Layer Breakdown Voltage(90ºCtransformer oil) | KV | ≥20.0 | |||
Insulating resistance after impregnated in water | Ω | 1.0 x 105 | 5.0 x 106 | 5.0 x 107 | 5.0 x 107 |
Resistance to heats/Martens | ºC | 125 | |||
Thermal class | ºC | 120 (E) | |||
Water absorption for 24 h | mg | 210-- 540 | 136-277 | ||
Specific weight @ 20ºC | g/cm3 | 1.30 - 1.40 |