IEC 61212 |
|
Units单位 |
F级环氧玻璃布管G10FR4 |
H级环氧玻璃布管G11 |
Properties 性能参数 |
|
|
|
Standard标准 |
Typical样品 |
Standard标准 |
Typical样品 |
Water absorption吸水性 ( 2mm) |
|
mg |
≤ 20 |
15 |
≤ 20 |
13 |
Flexuralstrength,抗弯强度Perpendicular to laminations 垂直层向( lengthwise纵向) |
室温下 |
MPa |
≥ 340 |
355 |
≥ 340 |
355 |
At rom temp. |
|
155°C ±2 °C |
|
≥ 170 |
280 |
─ |
280 |
Impact strength, 抗冲击强度 |
kJ/m² |
≥ 33 |
42 |
42 |
42 |
parallel to laminations平行层向, Charpy, notch,出现缺口 |
Electric strength,电气强度 |
kV/mm |
≥ 11.8 |
13 |
≥ 11.8 |
14 |
perpendicular to laminations ( 3mm ) 垂直层向in transformer oil at 在90°C ± 2°C变压器油中 |
Dielectric breakdown voltage,击穿电压 |
kV |
≥ 35 |
48 |
≥ 35 |
60 |
parallel to laminations平行层向 ( 25 mm ) |
in transformer oil at在90 °C ±2°C变压器油中 |
Dielectric dissipation factor介质损耗因数 48 – 62 Hz [ tgδ ] |
─ |
≤ 0.04 |
0.03 |
≤ 0.04 |
0.03 |
Dielectric constant [εr ] 介质常数 |
─ |
≤ 5.5 |
4.9 |
≤ 5.5 |
4.9 |
( Dielectric Permittivity ) |
Insulator resistivity after immersion浸水绝缘电阻 |
GΩ |
≤5.0*10² |
6*10³ |
≤5.0*10² |
6*10³ |
Comparative tracking index相比电痕化指数 |
─ |
≥ 600 |
≥ 600 |
─ |
≥ 600 |
Flammability 可燃性 |
─ |
─ |
─ |
─ |
─ |
Temperature Index 耐热性 |
°C |
≥ 155 |
200 |
≥ 180 |
200 |