Wacker Elastosil® R 401/30 OH Silicone Rubber

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Wacker Elastosil® R 401/30 OH 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 OH is being suitable for extrusions such as tubing and profiles. 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	1.09 g/cc	0.0394 lb/in³	DIN 53479

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	34	34	curing agent E; DIN 53505
Tensile Strength at Break	10.0 MPa	1450 psi	curing agent E; DIN 53504 S1
Elongation at Break	720 %	720 %	curing agent E; DIN 53504 S1
Rebound	58 %	58 %	curing agent E; DIN 53512
Tear Strength	22.0 kN/m	126 pli	curing agent E; ASTM D624 B
Compression Set	20 % @Temperature 175 °C, Time 79200 sec	20 % @Temperature 347 °F, Time 22.0 hour	curing agent E; DIN ISO 815-B

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

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

Descriptive Properties
Appearance	transparent

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PWACK9189 / 204718

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