| RTV 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 |
