Seals Eastern 7145 Fluorocarbon-Elastomer

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Seals Eastern 7145 Fluorocarbon-Elastomer
Categories:	Polymer; Thermoset; Fluoropolymer, TS; Thermoset Fluoroelastomer; Rubber or Thermoset Elastomer (TSE)
Material Notes:	FKM specially for oil & gas service. Information provided by Seals Eastern, Inc.
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Physical Properties	Original Value	Comments

Specific Gravity	1.943 g/cc	ASTM D297, 15

Mechanical Properties	Original Value	Comments
Hardness, Shore A	>= 75	ASTM D2240, Type A
	78	AVG; ASTM D2240, Type A
	78 @Treatment Temp. 200 °C, Time 252000 sec	After Dry Heat Aging; ASTM D865
	78 @Treatment Temp. 200 °C, Time 1.21e+6 sec	After Dry Heat Aging; ASTM D865
	79 @Treatment Temp. 200 °C, Time 3.60e+6 sec	After Dry Heat Aging; ASTM D865
	79 @Treatment Temp. 200 °C, Time 605000 sec	After Dry Heat Aging; ASTM D865
Tensile Strength at Break	>= 1883 psi	ASTM D412 Method A
	2800 psi	AVG; ASTM D412 Method A
	2464 psi @Treatment Temp. 200 °C, Time 252000 sec	After Dry Heat Aging; ASTM D865
	2660 psi @Treatment Temp. 200 °C, Time 1.21e+6 sec	After Dry Heat Aging; ASTM D865
	2744 psi @Treatment Temp. 200 °C, Time 605000 sec	After Dry Heat Aging; ASTM D865
	3052 psi @Treatment Temp. 200 °C, Time 360000 sec	After Dry Heat Aging; ASTM D865
Tensile Stress at Strain	306 psi @Strain 25 %	Average; ASTM D412 Method A
	>= 400 psi @Strain 50 %	Minimum; ASTM D412 Method A
	544 psi @Strain 50 %	Average; ASTM D412 Method A
	>= 698 psi @Strain 100 %	Minimum; ASTM D412 Method A
	1230 psi @Strain 100 %	Average; ASTM D412 Method A
Elongation at Break	>= 118 %	ASTM D412 Method A
	180 %	AVG; ASTM D412 Method A
	183.6 % @Treatment Temp. 200 °C, Time 252000 sec	After Dry Heat Aging; ASTM D865
	183.6 % @Treatment Temp. 200 °C, Time 1.21e+6 sec	After Dry Heat Aging; ASTM D865
	198 % @Treatment Temp. 200 °C, Time 605000 sec	After Dry Heat Aging; ASTM D865
	203.4 % @Treatment Temp. 200 °C, Time 360000 sec	After Dry Heat Aging; ASTM D865
Modulus of Elasticity	1.788 ksi	ASTM D412 Method A
Poissons Ratio	0.50	Calculated
Shear Modulus	0.596 ksi	ASTM D412 Method A
Secant Modulus	1.681 ksi	ASTM D412 Method A
Tear Strength Test	210	(psi); ASTM D624, Die B
Compression Set	11 % @Temperature 200 °C, Time 79200 sec	ASTM D395, Test B
	19 % @Temperature 200 °C, Time 252000 sec	ASTM D395, Test B
	24 % @Temperature 200 °C, Time 1.21e+6 sec	ASTM D395, Test B

Thermal Properties	Original Value	Comments
Glass Transition Temp, Tg	-4.00 °F	ASTM D1329

Processing Properties	Original Value	Comments
Shelf Life	180 Month	ASTM D395, Test B

Descriptive Properties
Strain Energy / Unit Volume at 20% Elongation (psi)	32

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