| 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 N431 Nitrile Elastomer (NBR).pdf |
| Price | EMAIL US sales@lookpolymers.com |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Shore A | 60 | 60 | Original Properties; ASTM D2240 |
| 50 @Temperature 23.0 °C |
50 @Temperature 73.4 °F |
ASTM Reference Fuel B Immersion, 70 hours; ASTM D2240 | |
| 61 @Temperature 23.0 °C |
61 @Temperature 73.4 °F |
ASTM Fuel A Immersion, 70 hours; ASTM D2240 | |
| 63 @Temperature 100 °C |
63 @Temperature 212 °F |
Air Aging, 70 hours; ASTM D2240 | |
| 63 @Temperature 100 °C |
63 @Temperature 212 °F |
ASTM IRM-903 Oil Immersion, 70 hours; ASTM D2240 | |
| 64 @Temperature 100 °C |
64 @Temperature 212 °F |
Water Resistance, 70 hours; ASTM D2240 | |
| Tensile Strength, Ultimate | 12.9 MPa | 1870 psi | Original Properties; ASTM D412 Die C |
| 7.4304 MPa @Temperature 23.0 °C |
1077.7 psi @Temperature 73.4 °F |
ASTM Reference Fuel B Immersion, 70 hours; ASTM D412 Die C | |
| 13.18 MPa @Temperature 23.0 °C |
1912 psi @Temperature 73.4 °F |
ASTM Fuel A Immersion, 70 hours; ASTM D412 Die C | |
| 13.66 MPa @Temperature 100 °C |
1981 psi @Temperature 212 °F |
Air Aging, 70 hours; ASTM D412 Die C | |
| 15.82 MPa @Temperature 100 °C |
2294 psi @Temperature 212 °F |
ASTM IRM-903 Oil Immersion, 70 hours; ASTM D412 Die C | |
| Elongation at Break | 486 % | 486 % | Original Properties; ASTM D412 Die C |
| 292 % @Temperature 23.0 °C |
292 % @Temperature 73.4 °F |
ASTM Reference Fuel B Immersion, 70 hours; ASTM D412 Die C | |
| 379.08 % @Temperature 100 °C |
379.08 % @Temperature 212 °F |
Air Aging, 70 hours; ASTM D412 Die C | |
| 448 % @Temperature 100 °C |
448 % @Temperature 212 °F |
ASTM IRM-903 Oil Immersion, 70 hours; ASTM D412 Die C | |
| 476.28 % @Temperature 23.0 °C |
476.28 % @Temperature 73.4 °F |
ASTM Fuel A Immersion, 70 hours; ASTM D412 Die C | |
| Compression Set | 13 % @Temperature 100 °C, Time 79200 sec |
13 % @Temperature 212 °F, Time 22.0 hour |
ASTM D395 |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Volume Change (%), ASTM D471 | -1.1 | ASTM IRM-903 Oil Immersion, 70 hours at 100°C |
| -1.2 | ASTM Fuel A Immersion, 70 hours at 23°C | |
| 17.1 | ASTM Reference Fuel B Immersion, 70 hours at 23°C | |
| -4.8 | Water Resistance, 70 hours at 100°C |