| About |
|---|
| SERIES 25 SPECIAL ESTER Products based on special grade saturated polyester. The features are similar to those of Series 20 but are characterised by a higher resistance to hydrolysis failure and improved flexibility at low temperatures.&& |
| Product Description | |
|---|---|
| Generic | TPU-酯 |
| Material Status | Commercial: Active |
| Features | Weather resistance is good,Good flexibility,Good tear strength,Good wear resistance,Solvent resistance,Low temperature toughness |
| Availabilitys | North America,Latin America,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.23 | g/cm³ | DIN 53479 |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | DIN 53504 | ||
| fracture | 64.5 | MPa | DIN 53504 |
| 50% strain | 15.5 | MPa | DIN 53504 |
| 100% strain | 18.0 | MPa | DIN 53504 |
| 300% strain | 43.9 | MPa | DIN 53504 |
| Tensile strain | |||
| fracture | 440 | % | DIN 53504 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Notched impact strength of cantilever beam | |||
| -20℃ | 5.50 | kJ/m² | ASTM D256 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s D | 56 | DIN 53505 | |
| Bending modulus | 190 | MPa | ISO 178 |
| Torsional modulus | |||
| -20℃ | 288 | MPa | DIN 53447 |
| 20℃ | 44.0 | MPa | DIN 53447 |
| Ratio（-20℃/+20℃） | 6.50 | ||
| Wear amount | 35.0 | mm³ | DIN 53516 |
| Tear resistance | 162 | MPa | DIN 53515 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
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