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Freudenberg Simrit N470 Nitrile Elastomer (NBR)

Category	Polymer , Thermoset , Rubber or Thermoset Elastomer (TSE)
Manufacturer	Freudenberg Simrit
Trade Name
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Freudenberg Simrit N470 Nitrile Elastomer (NBR).pdf
Price	EMAIL US sales@lookpolymers.com
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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

Physical Properties	Metric	English	Comments
Specific Gravity	1.24 g/cc	1.24 g/cc	Original Properties; ASTM D297

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	75	75	Original Properties; ASTM D2240
	67 @Temperature 23.0 Â°C	67 @Temperature 73.4 Â°F	ASTM Reference Fuel B Immersion, 168 hours; ASTM D2240
	71 @Temperature 150 Â°C	71 @Temperature 302 Â°F	ASTM IRM-903 Oil Immersion, 70 hours; ASTM D2240
	77 @Temperature 100 Â°C	77 @Temperature 212 Â°F	Air Aging, 70 hours; ASTM D2240
Tensile Strength, Ultimate	17.84 MPa	2588 psi	Original Properties; ASTM D1414
	9.100 MPa @Temperature 23.0 Â°C	1320 psi @Temperature 73.4 Â°F	ASTM Reference Fuel B Immersion, 168 hours; ASTM D1414
	18.02 MPa @Temperature 100 Â°C	2614 psi @Temperature 212 Â°F	Air Aging, 70 hours; ASTM D1414
Elongation at Break	377 %	377 %	Original Properties; ASTM D1414
	267.67 % @Temperature 23.0 Â°C	267.67 % @Temperature 73.4 Â°F	ASTM Reference Fuel B Immersion, 168 hours; ASTM D1414
	324.22 % @Temperature 100 Â°C	324.22 % @Temperature 212 Â°F	Air Aging, 70 hours; ASTM D1414
Compression Set	64 % @Temperature 125 Â°C, Time 252000 sec	64 % @Temperature 257 Â°F, Time 70.0 hour	ASTM D395

Descriptive Properties	Value	Comments
Bend (flat)	Pass	AMS 7270K
Bend Oval	PASS	Low Temperature Brittleness, Fuel B, 48 hours at 23Â°C, then Fuel A, 48 hours at 23Â°C, then Fuel A 5 hours at -40Â°C per AMS-7270K paragraph 4.5.2
Volume Change (%), ASTM D471	-1.4	Low Temperature Brittleness, Fuel B, 48 hours at 23Â°C, then Fuel A, 48 hours at 23Â°C, then Fuel A 5 hours at -40Â°C per AMS-7270K paragraph 4.5.2
	15	ASTM IRM-903 Oil Immersion, 70 hours
	34	ASTM Reference Fuel B Immersion, 168 hours

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