Wacker Powersil® 567 Silicone Insulator Coating

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Wacker Powersil® 567 Silicone Insulator Coating
Categories:	Polymer; Thermoset; Silicone; Silicone Rubber
Material Notes:	POWERSIL® 567 is a one-component silicone dispersion that cures to a tough high voltage insulator coating with very good electrical properties. Special features: ready-to-use perfect primerless adhesion very good resistance to weathering excellent hydrophobic properties outstanding tracking resistance Application: Protective silicone coating for porcelain, glass and epoxy insulators as well as for other high-voltage insulating equipment where surface contamination causes service problems. POWERSIL® 567 forms a long-term hydrophobic surface. Thus it prevents the formation of wet conductive films and therefore the risk of pollution flashovers. Information provided by Wacker Chemie AG.
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Physical Properties	Metric	English	Comments

Density	0.810 g/cc	0.0293 lb/in³	liquid state; ISO 1183-1 A
	1.10 g/cc	0.0397 lb/in³	solid state; ISO 2781
Viscosity	1400 cP @Shear Rate 10.0 1/s	1400 cP @Shear Rate 10.0 1/s	dynamic, liquid state; DIN EN ISO 3219

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	45	45	ISO 868
Tensile Strength at Break	3.00 MPa	435 psi	ISO 37
Elongation at Break	250 %	250 %	ISO 37
Tear Strength	9.00 kN/m	51.4 pli	ASTM 624 B

Electrical Properties	Metric	English	Comments
Volume Resistivity	>= 5.00e+15 ohm-cm	>= 5.00e+15 ohm-cm	IEC 60093
Dielectric Constant	2.9 @Frequency 50 Hz	2.9 @Frequency 50 Hz	IEC 60250
Dielectric Strength	>= 28.0 kV/mm	>= 711 kV/in	IEC 60243
Dissipation Factor	<= 0.0010 @Frequency 50 Hz	<= 0.0010 @Frequency 50 Hz	IEC 60250
Arc Resistance	420 sec	420 sec	IEC 61621

Processing Properties	Metric	English	Comments
Cure Time	9.00 min @Treatment Temp. 23.0 °C	0.150 hour @Treatment Temp. 73.4 °F	skin forming time, 50% RH

Descriptive Properties
Color	gray
Track Resistance	1A 4.5		IEC 60587

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PWACK9375 / 204904

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