Seals Eastern 7075 Ethylene-Propylene Rubber

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Seals Eastern 7075 Ethylene-Propylene Rubber
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	General service EPDM. Information provided by Seals Eastern, Inc.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.05 g/cc	1.05 g/cc	ASTM D297, 15

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	>= 62	>= 62	ASTM D2240, Type A
	73	73	AVG; ASTM D2240, Type A
Tensile Strength at Break	>= 10.31 MPa	>= 1496 psi	ASTM D412 Method A
	20.3 MPa	2940 psi	AVG; ASTM D412 Method A
Tensile Stress at Strain	>= 1.31 MPa @Strain 50 %	>= 190 psi @Strain 50 %	Minimum; ASTM D412 Method A
	1.45 MPa @Strain 25 %	210 psi @Strain 25 %	Average; ASTM D412 Method A
	>= 2.00 MPa @Strain 100 %	>= 290 psi @Strain 100 %	Minimum; ASTM D412 Method A
	2.14 MPa @Strain 50 %	310 psi @Strain 50 %	Average; ASTM D412 Method A
	3.93 MPa @Strain 100 %	570 psi @Strain 100 %	Average; ASTM D412 Method A
Elongation at Break	>= 205 %	>= 205 %	ASTM D412 Method A
	410 %	410 %	AVG; ASTM D412 Method A
Modulus of Elasticity	0.00993 GPa	1.44 ksi	ASTM D412 Method A
Poissons Ratio	0.50	0.50	Calculated
Shear Modulus	0.00331 GPa	0.480 ksi	ASTM D412 Method A
Secant Modulus	0.009329 GPa	1.353 ksi	ASTM D412 Method A
Tear Strength Test	134	134	(psi); ASTM D624, Die B
Compression Set	13 % @Temperature 100 °C, Time 79200 sec	13 % @Temperature 212 °F, Time 22.0 hour	ASTM D395, Test B

Thermal Properties	Metric	English	Comments
Glass Transition Temp, Tg	-51.1 °C	-60.0 °F	ASTM D1329

Descriptive Properties
Strain Energy / Unit Volume at 20% Elongation (psi)	26

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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