Freudenberg S70 Silicone Elastomer (VMQ)

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Freudenberg S70 Silicone Elastomer (VMQ)
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE); Silicone
Material Notes:	General Purpose; AMS 3301; A-A-59588 (ZZ-R-765) Class 2A, 2B Grade 40; Good heat resistance. Poor resistance to abrasion, tear and cut growth; low tensile strength; inferior resistance to oil, gasoline and solvents; poor resistance to alkalis and acids. This product was formerly sold under the Freudenberg Simrit division; now Freudenberg Sealing Technologies.
Key Words:	BAYSOLINE®, SILASTIC® , SILPLUS®
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Physical Properties	Metric	English	Comments

Specific Gravity	1.28 g/cc	1.28 g/cc	ASTM D297

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	72	72	Original Property; ASTM D2240
	69	69	ASTM #1 Oil Immersion for 70 hours; ASTM D2240
	77	77	Air Aging, 70 hours; ASTM D2240
Tensile Strength	7.20 MPa	1040 psi	Original Property; ASTM D412 Die C
Tensile Strength, Ultimate	6.08 MPa	882 psi	Air Aging, 70 hours; ASTM D412 Die C
	7.095 MPa	1029 psi	ASTM #1 Oil Immersion for 70 hours; ASTM D412 Die C
Elongation at Break	260 %	260 %	Original Property; ASTM D412 Die C
	208 %	208 %	Air Aging, 70 hours; ASTM D412 Die C
	234 %	234 %	ASTM #1 Oil Immersion for 70 hours; ASTM D412 Die C
Tear Strength	18.6 kN/m	106 pli	ASTM D624 Die B
Compression Set	18 % @Temperature 150 °C, Time 252000 sec	18 % @Temperature 302 °F, Time 70.0 hour	ASTM D395 Method B

Descriptive Properties
Bend (flat)	Pass, no cracks		AMS-3304
Color	Red
Decomposition per AMS 3302G	None
Low Temperature Brittleness	Pass, No cracks		ASTM D2137
Surface Tackiness per AMS 3302G	None
Volume Change (%), ASTM D471	4		ASTM #1 Oil Immersion for 70 hours at 302°F

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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PSIMR147 / 79109

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