Wacker Powersil® 732 CS A/B Silicone Rubber

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Wacker Powersil® 732 CS A/B Silicone Rubber
Categories:	Polymer; Thermoset; Silicone; Silicone Rubber
Material Notes:	POWERSIL® 732 CS A/B is a two-component, liquid silicone rubber with excellent processing properties. Its vulcanizates are noted for their excellent mechanical and electrical properties. POWERSIL® 732 CS A/B is especially designed for cold shrink applications. Special features: ready-to-use, two-component system outstanding dielectric properties excellent mechanical properties high tracking and erosion resistance excellent hydrophobic properties very easy to process Application: cold shrinkable cable accessories outdoor and indoor use Information provided by Wacker Chemie AG.
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Physical Properties	Metric	English	Comments

Density	1.11 g/cc	0.0401 lb/in³	ISO 1183-1 A
Viscosity	350000 cP @Shear Rate 10.0 1/s	350000 cP @Shear Rate 10.0 1/s	Component B; ISO 3219
	375000 cP @Shear Rate 10.0 1/s	375000 cP @Shear Rate 10.0 1/s	Mix; ISO 3219
	400000 cP @Shear Rate 10.0 1/s	400000 cP @Shear Rate 10.0 1/s	Component A; ISO 3219

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	33	33	ISO 868
Tensile Strength at Break	9.00 MPa	1310 psi	ISO 37
Elongation at Break	720 %	720 %	ISO 37
Tear Strength	37.0 kN/m	211 pli	ASTM 624 B

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.00e+15 ohm-cm	1.00e+15 ohm-cm	IEC 60093
Dielectric Constant	2.7 @Frequency 50 Hz	2.7 @Frequency 50 Hz	IEC 60250
Dielectric Strength	>= 23.0 kV/mm	>= 584 kV/in	IEC 60243
Dissipation Factor	0.00020 @Frequency 50 Hz	0.00020 @Frequency 50 Hz	IEC 60250
Arc Resistance	420 sec	420 sec	IEC 61621

Thermal Properties	Metric	English	Comments
Oxygen Index	28 %	28 %	ASTM D2863

Optical Properties	Metric	English	Comments
Transmission, Visible	90 %	90 %	"Transparent" but manufacturer does not quantify.

Processing Properties	Metric	English	Comments
Cure Time	5.00 min @Treatment Temp. 165 °C	0.0833 hour @Treatment Temp. 329 °F	post-cured 4hr at 200°C
Pot Life	4320 min	4320 min

Descriptive Properties
Color	transparent

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PWACK9380 / 204909

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