| About |
|---|
| NANCAR® 2845 is a medium acrylonitrile butadiene copolymer with medium oil resistance. It is polymerized at low temperature and contains sufficient antioxidant for normal aging conditions. It is a low Mooney version of NANCAR 2865. It has low Mooney viscosity, superior processing characteristics, fast curing rate, low mold fouling, superior resilience properties and superior flowability. NANCAR® 2845 is recommended for use in applications requiring improved low temperature properties. It provides excellent extrusions and general processing improvement.&& |
| Product Description | |
|---|---|
| Supplier | Nantex |
| Generic | NBR |
| Material Status | Commercial: Active |
| Features | Excellent Processability,Good liquidity,Low Viscosity,Inoxidizability,Copolymer,Grease resistance,Fast Cure |
| Availabilitys | Asia Pacific |
| Process Methods | Extrusion |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 0.970 | g/cm³ | |
| Mooney viscosity | |||
| ML 1+4，100℃ | 46 | MU | ASTM D1646 |
| Acrylonitrile content (Bound) | 28.0 | % | Internal Method |
| Stabilizer | Non-staining | ||
| solubility | |||
| in MEK | 100 | % | |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | ASTM D2240 | ||
| Shaw’s A | 70 | ASTM D2240 | |
| Shaw’s A | 71 | ASTM D2240 | |
| Shaw’s A | 72 | ASTM D2240 |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | ASTM D412 | ||
| 300% strain | 8.53 | MPa | ASTM D412 |
| 300% strain | 9.02 | MPa | ASTM D412 |
| 300% strain | 9.71 | MPa | ASTM D412 |
| tensile strength | ASTM D412 | ||
| yield | 27.6 | MPa | ASTM D412 |
| yield | 27.7 | MPa | ASTM D412 |
| yield | 27.3 | MPa | ASTM D412 |
| Tensile strain | ASTM D412 | ||
| fracture | 680 | % | ASTM D412 |
| fracture | 640 | % | ASTM D412 |
| fracture | 610 | % | ASTM D412 |
| tear strength | 57.9 | kN/m | ASTM D624 |
| Compression deformation | |||
| 100℃，70 hr | 55 | % | ASTM D395 |
| Aging performance | Nominal value | Unit | Test method |
|---|---|---|---|
| The rate of change in tensile strength in air | |||
| 100℃，70 hr | -9.0 | % | ASTM D865 |
| The rate of change in ultimate elongation in air | |||
| 100℃，70 hr | -30 | % | ASTM D865 |
| The rate of change in hardness of a hardness tester in the air | |||
| Shore A, 100 ℃, 70 hr | 4.0 | ASTM D865 | |
| The rate of change in tensile strength | ASTM D471 | ||
| 100 ℃, 70 hr, in ASTM # 1 oil | -15 | % | ASTM D471 |
| 100 ℃, 70 hr, in ASTM # 3 oil | -34 | % | ASTM D471 |
| Change rate of ultimate elongation | ASTM D471 | ||
| 100 ℃, 70 hr, in ASTM # 1 oil | -25 | % | ASTM D471 |
| 100 ℃, 70 hr, in ASTM # 3 oil | -30 | % | ASTM D471 |
| The rate of change in Shore hardness | ASTM D471 | ||
| Support A, 100 ℃, 70 hr, in ASTM # 1 oil | 0.0 | ASTM D471 | |
| Support A, 100 ℃, 70 hr, in ASTM # 3 oil | -13 | ASTM D471 | |
| Volume change | ASTM D471 | ||
| 100 ℃, 70 hr, ASTM standard oil (No.1) | 2.0 | % | ASTM D471 |
| 100 ℃, 70 hr, ASTM standard oil (No.3) | 23 | % | ASTM D471 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Heat loss | 0.30 | % | ASTM D5688 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Cured for 20.0 min at 302°F |
| 3. Cured for 40.0 min at 302°F |
| 4. Cured for 60.0 min at 302°F |
| 5. Cured for 60.0 min at 150°C |
| 6. Cured for 40.0 min at 150°C |
| 7. Cured for 20.0 min at 150°C |
| 8. Die C |
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