Wacker Elastosil® R 401/30 S Silicone Rubber

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Wacker Elastosil® R 401/30 S Silicone Rubber
Categories:	Polymer; Thermoset; Silicone; Silicone Rubber
Material Notes:	Vulcanizates made from this compound exhibit a unique combination of characteristics. They are noted for their good flexibility, high transparency, and mechanical properties. The compounds are easily pigmented with ELASTOSIL® PT Pigment Pastes and have good processing characteristics. Application: ELASTOSIL® R 401/30 S has many different uses, especially being suitable for molded articles. 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	Original Value	Comments

Density	1.10 g/cc @Pressure 0.1013 MPa	ISO 1183-1 A

Mechanical Properties	Original Value	Comments
Hardness, Shore A	30	curing agent C1; DIN 53505
	32	curing agent E; DIN 53505
Tensile Strength at Break	9.00 MPa	curing agent C1; DIN 53504 S1
	9.00 MPa	curing agent E; DIN 53504 S1
Elongation at Break	720 %	curing agent E; DIN 53504 S1
	880 %	curing agent C1; DIN 53504 S1
Rebound	52 %	curing agent E; DIN 53512
	54 %	curing agent C1; DIN 53512
Tear Strength	23.0 kN/m	curing agent E; ASTM D624 B
	32.0 kN/m	curing agent C1; ASTM D624 B
Compression Set	20 % @Temperature 175 °C, Time 79200 sec	curing agent C1; DIN ISO 815-B
	36 % @Temperature 175 °C, Time 79200 sec	curing agent E; DIN ISO 815-B

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

Processing Properties	Original Value	Comments
Cure Time	10.0 min @Treatment Temp. 135 °C	curing agent E, press cured, 4hr/200°C
	15.0 min @Treatment Temp. 165 °C	curing agent C1, press cured, 4hr/200°C
	15.0 min @Treatment Temp. 165 °C	curing agent C6, press cured, 4hr/200°C

Descriptive Properties
Appearance	transparent

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PWACK9190 / 204719

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