Seals Eastern 7040 Fluorocarbon-Elastomer

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Seals Eastern 7040 Fluorocarbon-Elastomer
Categories:	Polymer; Thermoset; Fluoropolymer, TS; Thermoset Fluoroelastomer; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Seals Eastern's formulated Viton® elastomers can be utilized in seals, o-rings, gaskets, packings and other applications where thermal stability and chemical resistance are required. Features: Type 1 (Viton A) Chemical and heat resistant Viton® is a registered trademark of DuPont. Information provided by Seals Eastern.
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Physical Properties	Original Value	Comments

Specific Gravity	1.88 g/cc	ASTM D297, 15

Mechanical Properties	Original Value	Comments
Hardness, Shore A	>= 70	ASTM D2240
	80	Average; ASTM D2240
	80	Dry Heat Aging 392°F; 70 hr; ASTM D865
Tensile Strength	>= 1500 psi	ASTM D412 Method A
	2086 psi	Dry Heat Aging 392°F; 70 hr; ASTM D865
	2150 psi	Average; ASTM D412 Method A
Tensile Stress at Strain	218 psi @Strain 25 %	Average; ASTM D412 Method A
	>= 255 psi @Strain 50 %	ASTM D412 Method A
	363 psi @Strain 50 %	Average; ASTM D412 Method A
	>= 507 psi @Strain 100 %	ASTM D412 Method A
	839 psi @Strain 100 %	Average; ASTM D412 Method A
Elongation at Break	>= 130 %	ASTM D412 Method A
	162 %	Dry Heat Aging 392°F; 70 hr; ASTM D865
	193 %	Average; ASTM D412 Method A
Modulus of Elasticity	2.05 ksi	Calculated; ASTM D412 Method A
Poissons Ratio	0.50	Calculated
Shear Modulus	0.683 ksi	Calculated; ASTM D412 Method A
Secant Modulus	2.253 ksi	ASTM D412 Method A
Tear Strength Test	282	psi; ASTM D624, Die B
Compression Set	34 % @Temperature 200 °C, Time 79200 sec	ASTM D395, Test B

Thermal Properties	Original Value	Comments
Minimum Service Temperature, Air	-17.0 °F	Retraction Temperature, TR10; ASTM D1329
Glass Transition Temp, Tg	-4.00 °F	ASTM D1329

Descriptive Properties
Strain Energy/ Unit Volume at 20% Elongation (psi)	23	ASTM D412 Method A

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