Freudenberg N466 Nitrile Elastomer (NBR)

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Freudenberg N466 Nitrile Elastomer (NBR)
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	General Purpose; Internal Lubricant. Inferior resistance to ozone, sunlight and natural aging; poor resistance to oxygenated solvents. All testing done on AS568-214 size o-rings This product was formerly sold under the Freudenberg Simrit division; now Freudenberg Sealing Technologies.
Key Words:	CHEMIGUM® , HYCAR® , PARACRIL® , PERBUNAN®, KRYNAC®, NYSYSN®
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Physical Properties	Metric	English	Comments

Specific Gravity	1.24 g/cc	1.24 g/cc	ASTM D297
	1.24 g/cc	1.24 g/cc	ASTM D297

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	65	65	Original Property; ASTM D2240
	79	79	Air Aging, 70 hours; ASTM D2240
Tensile Strength, Ultimate	12.7 MPa	1840 psi	Original Property; ASTM D1414
	14.91 MPa	2162 psi	Air Aging, 70 hours; ASTM D1414
Elongation at Break	377 %	377 %	Original Property; ASTM D1414
	233.74 %	233.74 %	Air Aging, 70 hours; ASTM D1414
Compression Set	71 % @Temperature 125 °C, Time 252000 sec	71 % @Temperature 257 °F, Time 70.0 hour	ASTM D395 Method B
	71 % @Temperature 125 °C, Time 252000 sec	71 % @Temperature 257 °F, Time 70.0 hour	AS 568-214; ASTM D395
	74 % @Temperature 125 °C, Time 252000 sec	74 % @Temperature 257 °F, Time 70.0 hour	ASTM D395, Method B
	74 % @Temperature 125 °C, Time 252000 sec	74 % @Temperature 257 °F, Time 70.0 hour	AS 568-018; ASTM D395
	79 % @Temperature 125 °C, Time 252000 sec	79 % @Temperature 257 °F, Time 70.0 hour	ASTM D395, Method B
	79 % @Temperature 125 °C, Time 252000 sec	79 % @Temperature 257 °F, Time 70.0 hour	AS 568-120; ASTM D395

Descriptive Properties
Bend (flat)	Pass		AMS 7271H
Corrosion and Adhesion	Pass		AMS-7271H
Dry Neckdown Test	Pass		AMS-7271H
Volume Change (%), ASTM D471	10		ASTM Reference Fuel A Immersion, 70 hours at 75°F
	-10		ASTM Reference Fuel B Immersion, 70 hours at 75°F plus 48 hours at 158°F dry-out
	51		ASTM Reference Fuel B Immersion, 70 hours at 75°F
	7		ASTM Reference Fuel B Immersion, 70 hours at 75°F plus 48 hours at 158°F dry-out plus ASTM Reference Fuel A Immersion for 5 hours at 75°F
Wet Neckdown Test	Pass		AMS-7271H

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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PSIMR143 / 79105

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