Specifications
This coating is widely used in power industries to coat insulators to prevent flashover,arcing under highly polluted environmentRTV Silicone Coating For High Voltage Insulators | |||||
Outward appearance | Does not have the obvious | ||||
mechanical impurity and the | |||||
cotton wool shape.The coating | |||||
is level,smooth and has no | |||||
air bubble. | |||||
Solid content % | 22 | ||||
Viscosity s | 15~60 | ||||
Surface resistivity Ω·m | 1x1012 | ||||
Volume resistivity Ω·m | 1x1014 | ||||
Relative permittivity dielectric | 3.0 | ||||
lose tangent value | 0.3% | ||||
Breakdown field value MV/m | 15 | ||||
Arc resistance s | 180 | ||||
Resistance to track and erosion TMA | ≥2.5 | ||||
Adhesion ability | No less 2 level | ||||
Abrasion resistance g | 0.05 | ||||
Rate of water absorption % | 0.25 | ||||
Hydrophobicity | Hydrophobic angle900 | ||||
Corrosion proof | Under the acid,the alkali,the | ||||
salt and the transformer oil | |||||
function do not have the corrugation, | |||||
falls off,bubbles,color changing. | |||||
Flashover resistance | U1(with paint coat)/U2(with | ||||
no paint coat)1.5 | |||||
Vulcanizing time | Surface dry up30 mins | ||||
Full dry up7 days |