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®
Vendors:	No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Original Value	Comments

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

Mechanical Properties	Original Value	Comments
Hardness, Shore A	65	Original Property; ASTM D2240
	79	Air Aging, 70 hours; ASTM D2240
Tensile Strength, Ultimate	12.7 MPa	Original Property; ASTM D1414
	2162 psi	Air Aging, 70 hours; ASTM D1414
Elongation at Break	377 %	Original Property; ASTM D1414
	233.74 %	Air Aging, 70 hours; ASTM D1414
Compression Set	71 % @Temperature 125 °C, Time 252000 sec	ASTM D395 Method B
	71 % @Temperature 125 °C, Time 252000 sec	AS 568-214; ASTM D395
	74 % @Temperature 125 °C, Time 252000 sec	ASTM D395, Method B
	74 % @Temperature 125 °C, Time 252000 sec	AS 568-018; ASTM D395
	79 % @Temperature 125 °C, Time 252000 sec	ASTM D395, Method B
	79 % @Temperature 125 °C, Time 252000 sec	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 go back to viewing the property data in MatWeb's normal format.

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PSIMR143 / 79105

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