Wacker Powersil® 3100 Silicone Rubber

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Wacker Powersil® 3100 Silicone Rubber
Categories:	Polymer; Thermoset; Silicone; Silicone Rubber
Material Notes:	Product description: POWERSIL® 3100 silicone rubber is a one component, ready to use, addition-curing compound that cures to an electrical insulating, highly erosion resistive silicone elastomer. POWERSIL® 3100 shows fast curing in comparison to conventional silicone rubber. Cure time is reduced by 30 to 50% depending on the wall thickness and on the available machinery and runner system. No peroxide decomposition products are released while curing. Due to the curing system there is no risk for curing inhibition by oxygen. Special features: outstanding resistance against tracking and erosion very good arc resistance excellent hydrophobicity behaviour suitable dielectric properties good mechanical properties Application: POWERSIL® 3100 is the addition curing silicone rubber of choice to manufacture all types of electrical insulating equipment for outdoor use, especially all types of composite insulators, arrester housings, bushings etc. Information provided by Wacker Chemie AG.
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Physical Properties	Metric	English	Comments

Density	1.55 g/cc	0.0560 lb/in³	ISO 1183-1 A

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	70	70	ISO 868
Tensile Strength at Break	4.50 MPa	653 psi	ISO 37
Elongation at Break	350 %	350 %	ISO 37
Tear Strength	20.0 kN/m	114 pli	ASTM 624 B

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.00e+14 ohm-cm	1.00e+14 ohm-cm	IEC 60093
Dielectric Constant	3.9 @Frequency 50 Hz	3.9 @Frequency 50 Hz	IEC 60250
Dielectric Strength	18.0 kV/mm	457 kV/in	IEC 60243
Dissipation Factor	0.00020 @Frequency 50 Hz	0.00020 @Frequency 50 Hz	IEC 60250
Arc Resistance	>= 300 sec	>= 300 sec	IEC 61621

Processing Properties	Metric	English	Comments
Cure Time	15.0 min @Treatment Temp. 165 °C	0.250 hour @Treatment Temp. 329 °F	post-cured 4hr at 150°C

Descriptive Properties
Color	light gray
Track Resistance	1A 4.5		IEC 60587

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PWACK9385 / 204914

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