前言：BASF Elastollan TPU 690 AU
BASF Elastollan TPU 690 AU---Thermoplastic Polyester Polyurethane Elastomers with excellent mechanical properties and wear resistance, good damping characteristics and a high resilience performance.
Typical Applications: Decorative parts and damping elements for the sport-shoe industry, ski tips, tubes and films.
Note: Quoted results are from measurements on injection molded test platens, post tempered for 20 hours at 100°C
Information provided by BASF
TPU 690 AU物性 ：
| 密度 | 1.21 g/cc | 0.0437 lb/in? | ISO 1183-1-A |
| 肖氏硬度 (邵氏 A) | 90 | 90 | ISO 868 |
| 抗张强度 | 40.0 MPa | 5800 psi | after storage in water at 80°C for 42 days; ISO 37 |
| 50.0 MPa | 7250 psi | ISO 37 | |
| 4.00 MPa@Strain 20.0 % | 580 psi@Strain 20.0 % | ISO 37 | |
| 7.00 MPa@Strain 100 % | 1020 psi@Strain 100 % | ISO 37 | |
| 伸长率 (断裂) | 550 % | 550 % | ISO 37 |
| 600 % | 600 % | after storage in water at 80°C for 42 days; ISO 37 | |
| 简支梁缺口冲击强度 | NB@Temperature -30.0 °C | NB@Temperature -22.0 °F | DIN EN ISO 179 |
| NB@Temperature 23.0 °C | NB@Temperature 73.4 °F | DIN EN ISO 179 | |
| 撕裂强度 | 85.0 kN/m | 485 pli | DIN ISO 34-1/Bb |
| 磨损 | 40 | 40 | [mm<sup>3</sup>; ISO 4649 |
| 压缩 久变形 | 25 %@Temperature 23.0 °C | 25 %@Temperature 73.4 °F | ISO 815 |
| 45 %@Temperature 70.0 °C | 45 %@Temperature 158 °F | ISO 815 |
| 加工温度 | 175 - 220 °C | 347 - 428 °F | Extrusion |
| 175 - 230 °C | 347 - 446 °F | Injection molding | |
| 模具温度 | 20.0 - 70.0 °C | 68.0 - 158 °F |