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Production and Testing

Production and testing of electrical insulating silicone rubber
Silicone rubber implementation standard: DL/T376-2010

Electrical properties:
1. Volume resistivity not less than 1.0X10 Ω·m
2. Surface resistivity 1.0X10Ω
3. Breakdown field strength AC not less than 20KV/mm,
DC not less than 30KV/mm
4. Resistance to leakage tracking and electrical erosion not less than TMA4.5 level
5. Hydrophobicity meets the requirements of standard 6.2

 

Silicone-rubber-test

 

Mechanical properties:
1. Tear strength (right angle method) not less than 10kN/m;
2. Mechanical tear strength not less than 4MPa;
3. Tensile elongation not less than 150%;
4. Shore hardness not less than 50Shore A;
5. Flammability FV-0 level

Anti-aging properties
1. 1000 hours aging test