| About |
|---|
| NANCAR® 3245C is a carboxyl-modified nitrile rubber with medium-high oil resistance. It is high nitrile version of NANCAR® 1072 with less carboxyl content. NANCAR® 3245C 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 | Excellent Processability,Renewable resources,Halogen free,Food contact compliance,Good bond,Soft |
| Availabilitys | Asia Pacific |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.00 | g/cm³ | |
| Mooney viscosity | |||
| ML 1+4，100℃ | 48 | MU | ASTM D1646 |
| Acrylonitrile content (Bound) | 32.0 | % | Internal Method |
| Stabilizer | Non-staining | ||
| solubility | |||
| in MEK | 100 | % | |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| yield | 17.1 | MPa | ASTM D412 |
| 300% strain | 11.5 | MPa | ASTM D412 |
| Tensile strain | |||
| fracture | 450 | % | ASTM D412 |
| tear strength | 56.9 | kN/m | ASTM D624 |
| Compression deformation | |||
| 100℃，70 hr | 46 | % | ASTM D395 |
| Aging performance | Nominal value | Unit | Test method |
|---|---|---|---|
| The rate of change in tensile strength in air | |||
| 100℃，70 hr | 11 | % | ASTM D865 |
| The rate of change in ultimate elongation in air | |||
| 100℃，70 hr | -20 | % | ASTM D865 |
| The rate of change in hardness of a hardness tester in the air | |||
| Shore A, 100 ℃, 70 hr | 3.0 | ASTM D865 | |
| The rate of change in tensile strength | ASTM D471 | ||
| 100 ℃, 70 hr, in ASTM # 1 oil | 1.0 | % | 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 | -29 | % | ASTM D471 |
| 100 ℃, 70 hr, in ASTM # 3 oil | -27 | % | ASTM D471 |
| The rate of change in Shore hardness | ASTM D471 | ||
| Support A, 100 ℃, 70 hr, in ASTM # 1 oil | 3.0 | ASTM D471 | |
| Support A, 100 ℃, 70 hr, in ASTM # 3 oil | -4.0 | ASTM D471 | |
| Volume change | ASTM D471 | ||
| 100 ℃, 70 hr, ASTM standard oil (No.1) | -4.3 | % | ASTM D471 |
| 100 ℃, 70 hr, ASTM standard oil (No.3) | 8.9 | % | ASTM D471 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Heat loss | 0.50 | % | ASTM D5688 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s A | 69 | ASTM D2240 | |
| Abrasion（Test，c.c） | 1 | DIN 53516 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Cured for 15.0 min at 320°F |
| 3. Cured for 15.0 min at 160°C |
| 4. Die C |
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