|
|
|
|
|
|
ITEMS | CONDITIONS | TEST METHOD | VALUES |
Thermic endurance | in transformer oil for 4 hours | IEC 60893-2-7.1 | 130ºC ( B) |
Martin's Temp. ( perpendicular ) | -- | -- | 200ºC min. |
Specific weight | 20ºC | IEC 60893-2 | 1.80 - 2.0 g/cm3 |
Water absorption | 24 h | IEC 60893-2-8.2 | 1.0 mm - 18 mg |
Flexural strength ( perpendicular ) | 23 ± 2ºC | IEC 60893-2-5.1 | 340 MPa min. |
155ºC | 170 MPa min. | ||
Charpy impact strength ( parallel ) | 23 ± 2ºC | IEC 60893-2-5.4.2 | 33 KJ/m2 min. |
Izod impact strength ( parallel ) | 23 ± 2ºC | IEC 60893-2-5.4.3 | 34 KJ/m2 min. |
Electric strength ( perpendicular ) | in transformer oil at 90 ± 2ºC | IEC 60893-2-6.1 | ≤3.0 mm 10.2KV/mm min. |
Break down voltage ( parallel ) | in transformer oil at 90 ± 2ºC | IEC 60893-2-6.1 | > 3.0mm 35 KV min. |
Insulating resistances After immersion in water | 23 ± 2ºC | IEC 60893-2-6.3 | 5.0 X 108W min. |
Flammability | UL94 | IEC 60893-2-7.2 | V-0 |