silicon G7 laminate sheet is made of high quality glass fiber and silicon resin.
1,electrical strength vertical,in 90℃ transformer oil min 25MV/m
2,breakdown voltage parallel min 35KV
3,impact strength min 51KJ/m2
General Properties |
Test Item | unit | standard value | Typical Value |
G7 |
Density | g/cm3 | ≥1.70 | 1.94 |
Bending strength vertical | | | |
23±2℃ | Mpa | ≥400 | 406 |
180±2℃ | | ≥240 | 242 |
Impact strength(thickness≥5mm) | KJ/m2 | ≥50 | 51 |
Volume resistance 23±2℃ | MΩ*m | ≥1.0*103 | pass |
180±2℃ | ≥1.0*103 | pass |
23±2℃(after immerce into water 24 hours) | ≥1.0*105 | ≥1.0*108 |
Dielectricloss | | ≤0.05 | 0.05 |
Electrical strength vertical, in 90℃ transformer oil | MV/m | ≥22 | 25 |
Breakdown voltage parallel | KV | ≥35 | 35 |
Storage | month | 12 | 12 |
Reference standard | GB/T5130,JS-10-002-117 |