Wacker Elastosil® R 805/75 Silicone Rubber

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Wacker Elastosil® R 805/75 Silicone Rubber
Categories:	Polymer; Thermoset; Silicone; Silicone Rubber
Material Notes:	Vulcanizates made from ELASTOSIL® R 805/75 are noted for their good resistance to motor oils and aggressive mineral oils, even at high temperatures. They have good mechanical properties and a low compression set. Application: ELASTOSIL® R 805/75 are specially recommended for the production of shaft seals. Information provided by Wacker Chemie AG.
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Physical Properties	Metric	English	Comments

Density	1.36 g/cc	0.0491 lb/in³	DIN 53479

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	80	80	curing agent C1; DIN 53505
Tensile Strength at Break	6.40 MPa	928 psi	curing agent C1; DIN 53504 S1
Elongation at Break	170 %	170 %	curing agent C1; DIN 53504 S1
Rebound	40 %	40 %	curing agent C1; DIN 53512
Tear Strength	15.0 kN/m	85.6 pli	curing agent C1; ASTM D624 B
Compression Set	17 % @Temperature 175 °C, Time 79200 sec	17 % @Temperature 347 °F, Time 22.0 hour	curing agent C1; DIN ISO 815-B

Processing Properties	Metric	English	Comments
Cure Time	15.0 min @Treatment Temp. 165 °C	0.250 hour @Treatment Temp. 329 °F

Descriptive Properties
Appearance	beige

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