| About |
|---|
| Type: Estane® 54640 is an 85A aromatic Polyether-Based Thermoplastic Polyurethane (TPU). Features: Very good physical properties and hydrolysis resistance and wide processing window for calendering. Uses: Melt coating/calendering, flat die/cast film extrusion&& |
| Product Description | |
|---|---|
| Supplier | Lubrizol Advanced Materials |
| Generic | TPU-醚 |
| Material Status | Commercial: Active |
| Features | Excellent Processability,Hydrolysis stability,Aromatic |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.13 | g/cm³ | ASTM D792 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shore A, 5 seconds | 82 to 88 | ASTM D2240 |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile permanent deformation | |||
| 200% strain | 14 | % | ASTM D412 |
| tensile strength | ASTM D412 | ||
| Fracture, 0.762 mm | 45.5 | MPa | ASTM D412 |
| 100% strain, 0.762 mm | 6.20 | MPa | |
| 300% strain, 0.762 mm | 11.7 | MPa | |
| Tensile strain | |||
| Fracture, 0.762 mm | 520 | % | ASTM D412 |
| tear strength | |||
| 0.762 mm | 68.6 | kN/m | ASTM D624 |
| cracking | 21 | kN/m | ASTM D470 |
| Aging performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volume change | |||
| 23 ℃, 24 hours in water | 1.3 | % | ASTM D471 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Glass transition temperature | -49.0 | ℃ | DSC |
| Melting temperature | 135 | ℃ | DSC |
| Process Conditions | |||
|---|---|---|---|
| Extrusion | Nominal value | Unit | Test method |
| Drying temperature | 104 | °C | |
| Drying time | 2.0 to 4.0 | hr | |
| Recommended maximum moisture content | 0.020 | % | |
| Barrel 1 zone temperature | 171 | °C | |
| Barrel 2 zone temperature | 177 | °C | |
| Barrel 3 zone temperature | 182 | °C | |
| Barrel 4 zone temperature | 188 | °C | |
| Connector temperature | 188 | °C | |
| Melt temperature | 185 | °C | |
| Nozzle temperature | 188 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Die C |
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