| About |
|---|
| Pearlthane® 12T92E is a special polyester-based TPU, supplied in form of translucent, colourless pellets, combining hardness with excellent processability and low temperature performance. This grade has been specially designed for mechanically demanding applications where excellent mechanical properties are required, such as timing belts Pearlthane® 12T92E can be extruded into profiles, belts, tubes and film. In the case of injection moulding, this grade is only recommended for certain applications, e.g. when large, hard-to-fill mould cavities are used.&& |
| Product Description | |
|---|---|
| Supplier | Lubrizol Advanced Materials |
| Generic | TPU-酯 |
| Material Status | Commercial: Active |
| Features | Excellent Processability,Antifreeze |
| Availabilitys | North America,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | |||
| — | 1.20 | g/cm³ | ASTM D792 |
| 20℃ | 1.20 | g/cm³ | ISO 2781 |
| water content | < 0.10 | % | Internal Method |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | ASTM D412 , ISO 527 | ||
| yield | 40.0 | MPa | ASTM D412 , ISO 527 |
| 100% strain | 8.00 | MPa | ASTM D412 , ISO 527 |
| 300% strain | 16.0 | MPa | ASTM D412 , ISO 527 |
| Tensile strain | |||
| fracture | 500 | % | ASTM D412，ISO 527 |
| tear strength | |||
| — | 112 | kN/m | ASTM D624 |
| — | 110 | kN/m | ISO 34-1 |
| Compression deformation | ASTM D395B | ||
| 23℃，70 hr | 26 | % | ASTM D395B |
| 70℃，22 hr | 40 | % | ASTM D395B |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Glass transition temperature | -40.0 | ℃ | ISO 11357-2 |
| Melting temperature | 183 to 193 | ℃ | Internal Method |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s A | 91 | ASTM D2240 , ISO 868 | |
| Wear amount | 30.0 | mm³ | ISO 4649 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Extrusion | Nominal value | Unit | Test method |
| Drying temperature | 100 to 110 | °C | |
| Drying time | 1.0 to 2.0 | hr | |
| Barrel rear temperature | 195 | °C | |
| Barrel middle temperature | 200 | °C | |
| Barrel front temperature | 210 | °C | |
| Nozzle temperature | 210 | °C | |
| Mold temperature | 35 | °C | |
| Screw length to diameter ratio | 23.0:1.0 | ||
| Drying temperature | 100 to 110 | °C | |
| Drying time | 1.0 to 2.0 | hr | |
| Barrel 1 zone temperature | 190 to 200 | °C | |
| Barrel 2 zone temperature | 195 to 210 | °C | |
| Barrel 3 zone temperature | 200 to 215 | °C | |
| Barrel 4 zone temperature | 200 to 220 | °C | |
| Nozzle temperature | 190 to 210 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Die C |
| 3. 10°C /min |
| 4. Temperature at which MFI = 10 g/10 min @ 21.6 kg |
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