| About |
|---|
| NANCAR® 1072 is a carboxyl-modified nitrile rubber with medium-high oil resistance. It may be processed like normal nitrile rubber except that metal oxide is added at the end of the mixing cycle. NANCAR® 1072 offers outstanding abrasion and wear resistance. It is recommended for use in belts, industrial rollers, wheels, shoe soles, heels and other mechanical goods requiring high abrasion resistance.&& |
| Product Description | |
|---|---|
| Supplier | Nantex |
| Generic | NBR |
| Material Status | Commercial: Active |
| Features | Good wear resistance,Grease resistance |
| Availabilitys | Asia Pacific |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 0.980 | g/cm³ | |
| Mooney viscosity | |||
| ML 1+4，100℃ | 48 | MU | ASTM D1646 |
| Acrylonitrile content (Bound) | 26.5 | % | Internal Method |
| Stabilizer | Non-staining | ||
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| yield | 25.0 | MPa | ASTM D412 |
| 300% strain | 15.7 | MPa | ASTM D412 |
| Tensile strain | |||
| fracture | 460 | % | ASTM D412 |
| tear strength | 53.9 | kN/m | ASTM D624 |
| Compression deformation | |||
| 100℃，70 hr | 57 | % | ASTM D395 |
| Aging performance | Nominal value | Unit | Test method |
|---|---|---|---|
| The rate of change in tensile strength in air | |||
| 100℃，70 hr | 7.0 | % | ASTM D865 |
| The rate of change in ultimate elongation in air | |||
| 100℃，70 hr | -26 | % | ASTM D865 |
| The rate of change in hardness of a hardness tester in the air | |||
| Shore A, 100 ℃, 70 hr | 5.0 | ASTM D865 | |
| The rate of change in tensile strength | ASTM D471 | ||
| 100 ℃, 70 hr, in ASTM # 1 oil | 9.0 | % | ASTM D471 |
| 100 ℃, 70 hr, in ASTM # 3 oil | -14 | % | ASTM D471 |
| Change rate of ultimate elongation | ASTM D471 | ||
| 100 ℃, 70 hr, in ASTM # 1 oil | -28 | % | ASTM D471 |
| 100 ℃, 70 hr, in ASTM # 3 oil | -20 | % | ASTM D471 |
| The rate of change in Shore hardness | ASTM D471 | ||
| Support A, 100 ℃, 70 hr, in ASTM # 1 oil | 7.0 | ASTM D471 | |
| Support A, 100 ℃, 70 hr, in ASTM # 3 oil | -6.0 | ASTM D471 | |
| Volume change | ASTM D471 | ||
| 100 ℃, 70 hr, ASTM standard oil (No.1) | -4.6 | % | ASTM D471 |
| 100 ℃, 70 hr, ASTM standard oil (No.3) | 14 | % | ASTM D471 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Heat loss | 0.40 | % | ASTM D5688 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| friction coefficient | |||
| NBS test | 911 | ASTM D1630 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s A | 80 | ASTM D2240 | |
| Abrasion（Test，c.c） | 53 | DIN 53516 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. (Load weight: 10 NT) |
| 3. Cured for 15.0 min at 320°F |
| 4. Cured for 15.0 min at 160°C |
| 5. Die C |
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