Wacker Elastosil® R 401/10 Silicone Rubber

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Wacker Elastosil® R 401/10 Silicone Rubber
Categories:	Polymer; Thermoset; Silicone; Silicone Rubber
Material Notes:	ELASTOSIL® R 401/10 is a low duro, easily pigmentable silicone rubber base for extrusion and molding applications as well as for manufacturing of silicone sponge articles in combination with peroxide crosslinkers. Special features: ELASTOSIL® R 401/10 is a low duro base but with acceptable to good mechanical as well as good processing properties. It is also suitable as blending component to soften ELASTOSIL® silicone rubber compounds. Application: ELASTOSIL® R 401/10 is suitable for all applications where low hardness, high elongation, good damping etc. are required in combination with typical silicone properties such as very good heat resistance, good release, soft grip etc. Postcured parts can be used for food contact applications and are suitable for use under the Recommendation "XV. Silicones" of the BfR and FDA § 177.2600 under observance of any given limitations on extractable and volatile substances. Information provided by Wacker Chemie AG.
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Physical Properties	Metric	English	Comments

Density	1.07 g/cc @Pressure 0.1013 MPa	0.0387 lb/in³ @Pressure 14.69 psi	ISO 1183-1 A

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	13	13	curing agent C1; DIN 53505
	13	13	curing agent E; DIN 53505
Tensile Strength at Break	6.00 MPa	870 psi	curing agent C1; DIN 53504 S1
	6.00 MPa	870 psi	curing agent E; DIN 53504 S1
Elongation at Break	1200 %	1200 %	curing agent C1; DIN 53504 S1
	1200 %	1200 %	curing agent E; DIN 53504 S1
Rebound	35 %	35 %	curing agent C1; DIN 53512
	39 %	39 %	curing agent E; DIN 53512
Tear Strength	21.0 kN/m	120 pli	curing agent E; ASTM D624 B
	24.0 kN/m	137 pli	curing agent C1; ASTM D624 B
Compression Set	28 %	28 %	curing agent E; DIN ISO 815-B
	41 %	41 %	curing agent C1; 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	curing agent E, press cured, 4hr/200°C
	15.0 min @Treatment Temp. 165 °C	0.250 hour @Treatment Temp. 329 °F	curing agent C1, press cured, 4hr/200°C

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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PWACK9187 / 204716

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