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Freudenberg Simrit N456 Nitrile Elastomer (NBR)

Category Polymer , Thermoset , Rubber or Thermoset Elastomer (TSE)
Manufacturer Freudenberg Simrit
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Freudenberg Simrit N456 Nitrile Elastomer (NBR).pdf
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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
ASTM D297
Mechanical Properties Metric English Comments
Hardness, Shore A 77
77
ASTM D2240
75

@Temperature 275 °C
75

@Temperature 527 °F
ARM 201 fluid immersion, 70 hrs.; ASTM D2240
80

@Temperature 275 °C
80

@Temperature 527 °F
MIL-H-83282 fluid immersion, 70 hrs.; ASTM D2240
Tensile Strength, Ultimate 7.186 MPa
1042 psi
ARM 201 fluid immersion, 70 hrs. at 275°F; ASTM D1414
8.693 MPa
1261 psi
MIL-H-83282 fluid immersion, 70 hrs. at 275°F; ASTM D1414
11.59 MPa
1681 psi
ASTM D1414
Elongation at Break 115.2 %
115.2 %
MIL-H-83282 fluid immersion, 70 hrs. at 275°F; ASTM D141
123.2 %
123.2 %
ARM 201 fluid immersion, 70 hrs. at 275°F; ASTM D141
160 %
160 %
ASTM D141
100% Modulus 0.00486 GPa
0.705 ksi
ASTM D1414
Compression Set 26.4 %

@Temperature 135 °C,
Time 252000 sec
26.4 %

@Temperature 275 °F,
Time 70.0 hour
ARM 201 fluid immersion; ASTM D395
31.5 %

@Temperature 135 °C,
Time 252000 sec
31.5 %

@Temperature 275 °F,
Time 70.0 hour
MIL-H-83282 fluid immersion; ASTM D395
64.3 %

@Temperature 135 °C,
Time 252000 sec
64.3 %

@Temperature 275 °F,
Time 70.0 hour
ASTM D395
Thermal Properties Metric English Comments
Minimum Service Temperature, Air -56.7 °C
-70.0 °F
Retraction Temperature, TR10; ASTM D1329
-50.0 °C
-58.0 °F
Retraction Temperature, ARM 201 fluid immersion, 70 hrs. at 275°F; ASTM D1329
-49.4 °C
-57.0 °F
Retraction Temperature, MIL-H-83282 fluid immersion, 70 hrs. at 275°F; ASTM D1329
Descriptive Properties Value Comments
Corrosion and Adhesion Slight
4130 Steel, Aircraft Quality, MIL-S-18729
Volume Change (%), ASTM D471 14.6
ARM 201 fluid immersion, 70 hrs. at 275°F
2.5
MIL-H-83282 fluid immersion, 70 hrs. at 275°F
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