Seals Eastern 7336 Highly Saturated Nitrile Rubber

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Seals Eastern 7336 Highly Saturated Nitrile Rubber
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Thermoplastic Elastomer, Melt-Processible Rubber
Material Notes:	HNBR for Oil & Gas service Information provided by Seals Eastern, Inc.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.18 g/cc	1.18 g/cc	ASTM D297, 15

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	>= 77	>= 77	ASTM D2240, Type A
	80	80	AVG; ASTM D2240, Type A
	82 @Treatment Temp. 100 °C, Time 252000 sec	82 @Treatment Temp. 212 °F, Time 70.0 hour	After Dry Heat Aging; ASTM D865
	82 @Treatment Temp. 100 °C, Time 605000 sec	82 @Treatment Temp. 212 °F, Time 168 hour	After Dry Heat Aging; ASTM D865
	84 @Treatment Temp. 100 °C, Time 1.21e+6 sec	84 @Treatment Temp. 212 °F, Time 336 hour	After Dry Heat Aging; ASTM D865
	84 @Treatment Temp. 100 °C, Time 3.60e+6 sec	84 @Treatment Temp. 212 °F, Time 1000 hour	After Dry Heat Aging; ASTM D865
Tensile Strength at Break	>= 24.58 MPa	>= 3565 psi	ASTM D412 Method A
	25.13 MPa	3645 psi	AVG; ASTM D412 Method A
	21.62 MPa @Treatment Temp. 100 °C, Time 605000 sec	3135 psi @Treatment Temp. 212 °F, Time 168 hour	After Dry Heat Aging; ASTM D865
	21.71 MPa @Treatment Temp. 100 °C, Time 1.21e+6 sec	3149 psi @Treatment Temp. 212 °F, Time 336 hour	After Dry Heat Aging; ASTM D865
	21.89 MPa @Treatment Temp. 100 °C, Time 252000 sec	3175 psi @Treatment Temp. 212 °F, Time 70.0 hour	After Dry Heat Aging; ASTM D865
	22.57 MPa @Treatment Temp. 100 °C, Time 3.60e+6 sec	3273 psi @Treatment Temp. 212 °F, Time 1000 hour	After Dry Heat Aging; ASTM D865
Tensile Stress at Strain	1.97 MPa @Strain 25 %	285 psi @Strain 25 %	Average; ASTM D412 Method A
	>= 2.55 MPa @Strain 50 %	>= 370 psi @Strain 50 %	Minimum; ASTM D412 Method A
	2.62 MPa @Strain 50 %	380 psi @Strain 50 %	Average; ASTM D412 Method A
	>= 4.93 MPa @Strain 100 %	>= 715 psi @Strain 100 %	Minimum; ASTM D412 Method A
	5.07 MPa @Strain 100 %	735 psi @Strain 100 %	Average; ASTM D412 Method A
Elongation at Break	>= 290 %	>= 290 %	ASTM D412 Method A
	295 %	295 %	AVG; ASTM D412 Method A
	185 % @Treatment Temp. 100 °C, Time 1.21e+6 sec	185 % @Treatment Temp. 212 °F, Time 336 hour	After Dry Heat Aging; ASTM D865
	195.6 % @Treatment Temp. 100 °C, Time 3.60e+6 sec	195.6 % @Treatment Temp. 212 °F, Time 1000 hour	After Dry Heat Aging; ASTM D865
	204 % @Treatment Temp. 100 °C, Time 605000 sec	204 % @Treatment Temp. 212 °F, Time 168 hour	After Dry Heat Aging; ASTM D865
	206 % @Treatment Temp. 100 °C, Time 252000 sec	206 % @Treatment Temp. 212 °F, Time 70.0 hour	After Dry Heat Aging; ASTM D865
Modulus of Elasticity	0.0138 GPa	2.00 ksi	ASTM D412 Method A
Poissons Ratio	0.49	0.49	Calculated
Shear Modulus	0.00462 GPa	0.670 ksi	ASTM D412 Method A
Secant Modulus	0.0131 GPa	1.90 ksi	ASTM D412 Method A
Tear Strength Test	570	570	(psi); ASTM D624, Die B
Compression Set	33 % @Temperature 100 °C, Time 79200 sec	33 % @Temperature 212 °F, Time 22.0 hour	ASTM D395, Test B
	37.5 % @Temperature 100 °C, Time 252000 sec	37.5 % @Temperature 212 °F, Time 70.0 hour	ASTM D395, Test B
	54 % @Temperature 100 °C, Time 1.21e+6 sec	54 % @Temperature 212 °F, Time 336 hour	ASTM D395, Test B

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	65.6 °C	150 °F	ASTM D1329
Glass Transition Temp, Tg	-18.3 °C	-1.00 °F	ASTM D1329

Descriptive Properties
Strain Energy / Unit Volume at 20% Elongation (psi)	36

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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