Wacker Elastosil® R 750/50 Silicone Rubber

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Wacker Elastosil® R 750/50 Silicone Rubber
Categories:	Polymer; Thermoset; Silicone; Silicone Rubber
Material Notes:	Vulcanizates of ELASTOSIL® R 750/50 silicone rubber possess particularly good resistance to high temperature, oxygen and dry heat. Application: ELASTOSIL® R 750/50 is optimized for applications at high temperatures and can be used for extrusion and molding applications. Vulcanizates of ELASTOSIL® R 750/50 can withstand temperatures of 300 °C for at least seven days. Information provided by Wacker Chemie AG.
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Physical Properties	Metric	English	Comments

Density	1.14 g/cc	0.0412 lb/in³	ISO 1183-1 A

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	47	47	using 3% EL AUX STAB H6, curing Agent E
	49	49	curing Agent E; DIN 53505 A
	52	52	using 3% EL AUX STAB H6, curing Agent C1
	55	55	curing Agent C1; DIN 53505 A
	67 @Treatment Temp. 300 °C, Time 259000 sec	67 @Treatment Temp. 572 °F, Time 72.0 hour	using 3% EL AUX STAB H6, curing Agent E, Hot-air aged
	73 @Treatment Temp. 300 °C, Time 259000 sec	73 @Treatment Temp. 572 °F, Time 72.0 hour	using 3% EL AUX STAB H6, curing Agent C1, Hot-air aged
	80 @Treatment Temp. 300 °C, Time 605000 sec	80 @Treatment Temp. 572 °F, Time 168 hour	using 3% EL AUX STAB H6, curing Agent E, Hot-air aged
	83 @Treatment Temp. 300 °C, Time 605000 sec	83 @Treatment Temp. 572 °F, Time 168 hour	using 3% EL AUX STAB H6, curing Agent C1, Hot-air aged
Tensile Strength at Break	8.20 MPa	1190 psi	using 3% EL AUX STAB H6, curing Agent E
	8.60 MPa	1250 psi	using 3% EL AUX STAB H6, curing Agent C1
	10.1 MPa	1460 psi	curing Agent C1; DIN 53504 S1
	10.3 MPa	1490 psi	curing Agent E; DIN 53504 S1
	5.50 MPa @Treatment Temp. 300 °C, Time 605000 sec	798 psi @Treatment Temp. 572 °F, Time 168 hour	using 3% EL AUX STAB H6, curing Agent E, Hot-air aged
	5.70 MPa @Treatment Temp. 300 °C, Time 605000 sec	827 psi @Treatment Temp. 572 °F, Time 168 hour	using 3% EL AUX STAB H6, curing Agent C1, Hot-air aged
	5.80 MPa @Treatment Temp. 300 °C, Time 259000 sec	841 psi @Treatment Temp. 572 °F, Time 72.0 hour	using 3% EL AUX STAB H6, curing Agent C1, Hot-air aged
	6.10 MPa @Treatment Temp. 300 °C, Time 259000 sec	885 psi @Treatment Temp. 572 °F, Time 72.0 hour	using 3% EL AUX STAB H6, curing Agent E, Hot-air aged
Elongation at Break	456 %	456 %	using 3% EL AUX STAB H6, curing Agent C1
	457 %	457 %	using 3% EL AUX STAB H6, curing Agent E
	530 %	530 %	curing Agent C1; DIN 53504 S1
	540 %	540 %	curing Agent E; DIN 53504 S1
	110 % @Treatment Temp. 300 °C, Time 605000 sec	110 % @Treatment Temp. 572 °F, Time 168 hour	using 3% EL AUX STAB H6, curing Agent C1, Hot-air aged
	126 % @Treatment Temp. 300 °C, Time 605000 sec	126 % @Treatment Temp. 572 °F, Time 168 hour	using 3% EL AUX STAB H6, curing Agent E, Hot-air aged
	203 % @Treatment Temp. 300 °C, Time 259000 sec	203 % @Treatment Temp. 572 °F, Time 72.0 hour	using 3% EL AUX STAB H6, curing Agent C1, Hot-air aged
	234 % @Treatment Temp. 300 °C, Time 259000 sec	234 % @Treatment Temp. 572 °F, Time 72.0 hour	using 3% EL AUX STAB H6, curing Agent E, Hot-air aged
Rebound	46 %	46 %	curing Agent C1; DIN 53512
	47 %	47 %	curing Agent E; DIN 53512
Tear Strength	28.0 kN/m	160 pli	curing Agent C1; ASTM D624 B
	30.0 kN/m	171 pli	curing Agent E; ASTM D624 B
Compression Set	13 % @Temperature 175 °C, Time 79200 sec	13 % @Temperature 347 °F, Time 22.0 hour	curing Agent C1; DIN ISO 815-B
	22 % @Temperature 175 °C, Time 79200 sec	22 % @Temperature 347 °F, Time 22.0 hour	curing Agent E; DIN ISO 815-B

Processing Properties	Metric	English	Comments
Cure Time	10.0 min @Treatment Temp. 135 °C	0.167 hour @Treatment Temp. 275 °F	post cured 4h/200°C, E crosslinker
	15.0 min @Treatment Temp. 165 °C	0.250 hour @Treatment Temp. 329 °F	post cured 4h/200°C, C1 crosslinker

Descriptive Properties
Appearance	translucent

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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PWACK9231 / 204760

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