RTV Insulator Coating

This coating is widely used by power industries to coat insulator to prevent flash over,arcing under highly pulluted environment

RTV's 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

RTV Insulator Coating