| About |
|---|
| Torlon® 4301 is a wear-resistant grade of polyamide-imide (PAI) resin. It has a good balance of mechanical properties and wear resistance. It offers high flexural and compressive strength with a low coefficient of friction and outstanding wear resistance at both high velocity and high pressure conditions. 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® 4301 polyamide-imide include thrust washers, spline liners, valve seats, bushings, bearings, wear rings, cams and other applications requiring strength at high temperature and resistance to wear. Injection Molding Grades: High Flow: Torlon® 4301 HF Low Flow: Torlon® 4301 LF Low Flow Small Pellets: Torlon® 4301 LFSP Extrustion Grades: High Flow: Torlon® 4301-EXT Higher Flow: Torlon® 4301-HQ&& |
| 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 | 1.46 | g/cm³ | ASTM D792 |
| Shrinkage rate | |||
| MD | 0.35 to 0.60 | % | ASTM D955 |
| Water absorption rate | |||
| 24hr | 0.28 | % | ASTM D570 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | |||
| — | 6830 | MPa | ASTM D638 |
| — | 6550 | MPa | ASTM D1708 |
| tensile strength | 113 | MPa | ASTM D638 |
| tensile strength | 163 | MPa | ASTM D1708 |
| Tensile strain | |||
| fracture | 3.3 | % | ASTM D638 |
| fracture | 7.0 | % | ASTM D1708 |
| Bending modulus | ASTM D790 | ||
| 23℃ | 6890 | MPa | ASTM D790 |
| 232℃ | 4960 | MPa | ASTM D790 |
| bending strength | ASTM D790 | ||
| 23℃ | 215 | MPa | ASTM D790 |
| 232℃ | 112 | MPa | ASTM D790 |
| Compression modulus | 5310 | MPa | ASTM D695 |
| compressive strength | 166 | MPa | ASTM D695 |
| friction coefficient | ASTM D3702 | ||
| — | 0.31 | ASTM D3702 | |
| — | 0.39 | ASTM D3702 | |
| — | 0.18 | ASTM D3702 | |
| — | 0.030 | ASTM D3702 | |
| Wear factor | ASTM D3702 | ||
| Drying: 4 m/s, 0.2 MPa (800 fpm, 31.25 psi) | 17.0 | in³·min^-10/ft·lb·hr | ASTM D3702 |
| Drying: 0.25 m/s, 3.4 MPa (50 fpm, 500 psi) | 14.0 | in³·min^-10/ft·lb·hr | ASTM D3702 |
| Lubrication: 0.25 m/s, 6.9 MPa (75 fpm, 1000 psi) | 9.00 | in³·min^-10/ft·lb·hr | ASTM D3702 |
| Lubrication: 4 m/s, 5.2 MPa (800 fpm, 750 psi) | 0.400 | in³·min^-10/ft·lb·hr | ASTM D3702 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | 64 | J/m | ASTM D256 |
| Notched impact strength of cantilever beam | 410 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 279 | ℃ | ASTM D648 |
| Thermal conductivity coefficient | 0.53 | W/m/K | ASTM C177 |
| Linear coefficient of thermal expansion | 2.5E-5 | cm/cm/℃ | ASTM D696 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | 8.0E+17 | ohms | ASTM D257 |
| Volume resistivity | 8.0E+15 | ohms·cm | ASTM D257 |
| 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. Material should be Tempered (Cured). |
| 2. Typical properties: these are not to be construed as specifications. |
| 3. ASTM Test Method D1708 has been used to measure the tensile properties of PAI and similar materials because the small test specimen conserved material. Today the most widely used specimen is the Type 1 bar of ASTM D638. These D1708 values are included for historical purposes and they should not be compared to the D638 values. |
| 4. ASTM Test Method D1708 has been used to measure the tensile properties of PAI and similar materials because the small test specimen conserved material. Today the most widely used specimen is the Type 1 bar of ASTM D638. These D1708 values are included for historical purposes and they should not be compared to the D638 values. |
| 5. Lubricated: 0.25 m/s, 6.9 MPa (75 fpm, 1000 psi) |
| 6. Lubricated: 4 m/s, 5.2 MPa (800 fpm, 750 psi) |
| 7. Dry: 0.25 m/s, 3.4 MPa (50 fpm, 500 psi) |
| 8. Dry: 4 m/s, 0.2 MPa, (800 fpm, 31.25 psi) |
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