| 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 |
| Price | EMAIL US sales@lookpolymers.com |
| 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 |