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Description
Product color：Red / Yellow / Green
Product material：Silicone rubber
Withstand voltage value：220 (kV)
Using temperature range：-50℃~+150℃
Product technical index
No. | Test item | Unit | Requirement | Test result | |
1 | Electrical strength test | kV/mm | ≥20 | 22 | |
2 | Volume resistivity | Ω·cm | ≥1*1014 | 2*1014 | |
3 | Dielectric constant | - | 2 - 3 | 2.3 | |
4 | Shore hardness (A) | - | 70±5 | 71 | |
5 | Before aging | Tensile strength | MPa | ≥4.0 | 5.5 |
Elongation at break | % | ≥200 | 243 | ||
After aging (180℃×7d) | Rate of change in tensile strength | % | ±30 | 13 | |
Change rate of elongation at break | % | ±30 | -22 | ||
6 | Elongation at low temperature (-15° C ×2h) | % | ≥20 | 190 | |
7 | Low temperature flexibility (-50° C ×4h) | - | No cracking | No cracking | |
8 | High temperature cracking resistance (155° C ×2h) | - | No cracking | No cracking | |
Description
Product color：Red / Yellow / Green
Product material：Silicone rubber
Withstand voltage value：220 (kV)
Using temperature range：-50℃~+150℃
Product technical index
No. | Test item | Unit | Requirement | Test result | |
1 | Electrical strength test | kV/mm | ≥20 | 22 | |
2 | Volume resistivity | Ω·cm | ≥1*1014 | 2*1014 | |
3 | Dielectric constant | - | 2 - 3 | 2.3 | |
4 | Shore hardness (A) | - | 70±5 | 71 | |
5 | Before aging | Tensile strength | MPa | ≥4.0 | 5.5 |
Elongation at break | % | ≥200 | 243 | ||
After aging (180℃×7d) | Rate of change in tensile strength | % | ±30 | 13 | |
Change rate of elongation at break | % | ±30 | -22 | ||
6 | Elongation at low temperature (-15° C ×2h) | % | ≥20 | 190 | |
7 | Low temperature flexibility (-50° C ×4h) | - | No cracking | No cracking | |
8 | High temperature cracking resistance (155° C ×2h) | - | No cracking | No cracking | |
