| 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 | 1.19 | g/cm³ | DIN 53479 |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | |||
| 50% | 4.30 | MPa | DIN 53504 |
| 100% | 5.60 | MPa | DIN 53504 |
| 300% | 13.7 | MPa | DIN 53504 |
| tensile strength | |||
| fracture | 53.2 | MPa | DIN 53504 |
| Tensile strain | |||
| fracture | 620 | % | DIN 53504 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Vicat Softening Temp | 73 | ℃ | ISO 306 |
| Compression deformation | |||
| 23℃，70 hr | 20 | % | DIN 53517 |
| 70℃，22 hr | 42 | % | DIN 53517 |
| Flame retardant level | V-2 | UL 94 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s A | 82 | DIN 53505 | |
| Taber wear and tear | 30.0 | mm³ | DIN 53516 |
| tear strength | 82.0 | MPa | DIN 53515 |
| Process Conditions | |||
|---|---|---|---|
| Extrusion molding | Nominal value | Unit | Test method |
| injection molding | Nominal value | Unit | Test method |
| Material cylinder zone 1 | 190 | °C | |
| Material cylinder zone 2 | 195 | °C | |
| Material cylinder zone 3 | 200 | °C | |
| Material cylinder zone 4 | 195 | °C | |
| adapter | 190 | °C | |
| Core temperature | 185 | °C | |
| Material cylinder zone 1 | 180 | °C | |
| Material cylinder zone 1 | 185 | °C | |
| Material cylinder zone 1 | 190 | °C | |
| Nozzle temperature | 185 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
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