Seals Eastern 5861 Fluoro-silicone

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Seals Eastern 5861 Fluoro-silicone
Categories:	Polymer; Thermoset; Fluoropolymer, TS; Thermoset Fluoroelastomer; Rubber or Thermoset Elastomer (TSE); Silicone
Material Notes:	Fluoro-silicone meeting MIL-R-25988B Information provided by Seals Eastern, Inc.
Key Words:	FVMQ
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Physical Properties	Metric	English	Comments

Specific Gravity	1.51 g/cc	1.51 g/cc	ASTM D297, 15

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	>= 48	>= 48	ASTM D2240, Type A
	51	51	AVG; ASTM D2240, Type A
	58 @Treatment Temp. 177 °C, Time 252000 sec	58 @Treatment Temp. 350 °F, Time 70.0 hour	After Dry Heat Aging; ASTM D865
Tensile Strength at Break	>= 8.69 MPa	>= 1260 psi	ASTM D412 Method A
	9.38 MPa	1360 psi	AVG; ASTM D412 Method A
	8.405 MPa @Treatment Temp. 177 °C, Time 252000 sec	1219 psi @Treatment Temp. 350 °F, Time 70.0 hour	After Dry Heat Aging; ASTM D865
Tensile Stress at Strain	1.03 MPa @Strain 25 %	150 psi @Strain 25 %	Average; ASTM D412 Method A
	>= 1.41 MPa @Strain 50 %	>= 205 psi @Strain 50 %	Minimum; ASTM D412 Method A
	1.48 MPa @Strain 50 %	214 psi @Strain 50 %	Average; ASTM D412 Method A
	>= 2.08 MPa @Strain 100 %	>= 302 psi @Strain 100 %	Minimum; ASTM D412 Method A
	2.21 MPa @Strain 100 %	320 psi @Strain 100 %	Average; ASTM D412 Method A
Elongation at Break	>= 245 %	>= 245 %	ASTM D412 Method A
	340 %	340 %	AVG; ASTM D412 Method A
	289 % @Treatment Temp. 177 °C, Time 252000 sec	289 % @Treatment Temp. 350 °F, Time 70.0 hour	After Dry Heat Aging; ASTM D865
Modulus of Elasticity	0.00681 GPa	0.988 ksi	ASTM D412 Method A
Poissons Ratio	0.50	0.50	Calculated
Shear Modulus	0.00227 GPa	0.329 ksi	ASTM D412 Method A
Secant Modulus	0.00619 GPa	0.898 ksi	ASTM D412 Method A
Tear Strength Test	220	220	(psi); ASTM D624, Die B
Compression Set	15 % @Temperature 177 °C, Time 79200 sec	15 % @Temperature 350 °F, Time 22.0 hour	ASTM D395, Test B

Thermal Properties	Metric	English	Comments
Minimum Service Temperature, Air	-51.7 °C	-61.0 °F	Retraction Temperature, TR10; ASTM D1329
Glass Transition Temp, Tg	-51.1 °C	-60.0 °F	ASTM D1329

Descriptive Properties
Strain Energy / Unit Volume at 20% Elongation (psi)	18

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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