| About |
|---|
| Torlon® 4645, an injection-moldable, wear-resistant grade of polyamide-imide (PAI), has been formulated to give outstanding wear resistance in lubricated wear applications. Torlon® PAI has the highest strength and stiffness of any thermoplastic up to 275°C (525°F). It has outstanding resistance to wear, creep and chemicals. Potential applications for Torlon® 4645 polyamide-imide include thrust washers, seal rings, sliding vanes, bobbins, bushings, clutch rollers and pistons.&& |
| Product Description | |
|---|---|
| Supplier | Solvay |
| Generic | PAI |
| Material Status | Commercial: Active |
| Features | Good Rigidity,Good flexibility,Conductive,Low coefficient of friction,Flame Characteristics,Self-lubricating,High Heat Resistance,Good wear resistance,Solvent resistance |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Process Methods | Profile extrusion |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.57 | g/cm³ | ASTM D792 |
| Water absorption rate | |||
| 24hr | 0.25 | % | ASTM D570 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 18600 | MPa | ASTM D638 |
| tensile strength | 114 | MPa | ASTM D638 |
| Tensile strain | |||
| fracture | 0.80 | % | ASTM D638 |
| Bending modulus | 12400 | MPa | ASTM D790 |
| bending strength | 154 | MPa | ASTM D790 |
| compressive strength | 157 | MPa | ASTM D695 |
| shear strength | ASTM D732 | ||
| 23℃ | 85.5 | MPa | ASTM D732 |
| 150℃ | 60.7 | MPa | ASTM D732 |
| friction coefficient | ASTM D1894 | ||
| — | 0.090 | ASTM D1894 | |
| — | 0.070 | ASTM D1894 | |
| Wear factor | ASTM D3702 | ||
| Lubrication: 4 m/s, 5.2 MPa (800 fpm, 750 psi) | 0.300 | in³·min^-10/ft·lb·hr | ASTM D3702 |
| Lubrication: 0.375 m/s, 6.9 MPa (75 fpm, 1000 psi) | 1.60 | in³·min^-10/ft·lb·hr | ASTM D3702 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | 37 | J/m | ASTM D256 |
| Notched impact strength of cantilever beam | 110 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 281 | ℃ | ASTM D648 |
| Linear coefficient of thermal expansion | 1.4E-5 | cm/cm/℃ | ASTM D696 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 177 | °C | |
| Drying time | 3.0 | hr | |
| Recommended maximum moisture content | 0.050 | % | |
| Barrel rear temperature | 304 | °C | |
| Nozzle temperature | 371 | °C | |
| Mold temperature | 199 to 216 | °C | |
| Back pressure | 6.89 | MPa | |
| Screw speed | 50 to 100 | rpm | |
| Screw length to diameter ratio | 18.0:1.0 to 24.0:1.0 | ||
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Lubricated: 4 m/s, 5.2 MPa (800 fpm, 750 psi) |
| 3. Lubricated: 0.25 m/s, 6.9 MPa (75 fpm, 1000 psi) |
| 【 Disclaimer 】 Guangzhou Soliao Information Technology Co., Ltd. reserves all rights. The information in this data table was obtained from the manufacturer of the material on soliao.com. Soliao.com makes every effort to ensure the accuracy of this data. However, the search company does not assume any responsibility for the uncertainty and consequences caused to users by these data values and suggestions, and strongly recommends verifying the data values with the material supplier before the final selection of materials. |