| About |
|---|
| Injection molding grade; grease and oil-resistant; hydrolysis-stabilised; low compression set; good wear resistance; Application; Injection molded engineering parts; Automotive engineering; Coupling elements&& |
| Product Description | |
|---|---|
| Supplier | Covestro |
| Generic | TPU-酯 |
| Material Status | Commercial: Active |
| Features | Good Dimensional Stability,Good wear resistance,Grease resistance |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.23 | g/cm³ | ISO 1183-2 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shore D, 15 seconds | 51 | ISO 868 2 | |
| Shore A, 3 seconds | 97 | ISO 868 2 | |
| tensile strength | DIN 53504 | ||
| Fracture, 23 ℃ | 37.9 | MPa | DIN 53504 |
| 10% strain, 23 ℃ | 8.20 | MPa | DIN 53504 |
| 50% strain, 23 ℃ | 15.1 | MPa | DIN 53504 |
| 100% strain, 23 ℃ | 18.3 | MPa | DIN 53504 |
| 300% Strain, 73°F | 30.6 | MPa | DIN 53504 |
| Tensile strain | |||
| Fracture, 23 ℃ | 470 | % | DIN 53504 |
| abrasion resistance | 32.0 | mm³ | ISO 4649-A |
| Tensile storage modulus | ISO 6721-1,-4 | ||
| -20℃ | 1.78 | GPa | ISO 6721-1,-4 |
| 20℃ | 0.240 | GPa | ISO 6721-1,-4 |
| 60℃ | 0.110 | GPa | ISO 6721-1,-4 |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tear strength | 180 | kN/m | ISO 34-1 |
| Compression deformation | ISO 815 | ||
| 23℃，72 hr | 15 | % | ISO 815 |
| 70℃，24 hr | 27 | % | ISO 815 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact Resilience | 30 | % | ISO 4662 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 110 | °C | |
| Processing (melt) temperature | 220 to 240 | °C | |
| Mold temperature | 20 to 40 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Tested in accordance with ISO 10350. 23°C/50%r.h. unless otherwise noted. |
| 3. 7.9 in/min |
| 4. Method A |
| 5. 20 in/min |
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