Polytrope TPP 518 is an injection grade olefinic thermoplastic elastomer. This mineral filled product is recommended for applications requiring high stiffness and low thermal expansion in combination with good impact strength. Typical applications would include automotive claddings and rocker panels. TPP 518 is paintable and can be provided UV stable.
Information provided by A. Schulman.
| 物理性能 | 额定值 (公制) | 额定值 (英制) | 测试方法 |
|---|---|---|---|
| 比重 | g/cc | g/cc | ASTM D792 |
| 线性成型收缩率 | cm/cm | in/in | as molded |
| cm/cm | in/in | ± 0.1 after 30 min. at 120°C | |
| 化合物熔体指数 | g/10 min | g/10 min | ASTM D1238 |
| 机械性能 | 额定值 (公制) | 额定值 (英制) | 测试方法 |
|---|---|---|---|
| 肖氏硬度 (邵氏 D) | ASTM D2240 | ||
| 抗张强度(屈服) | MPa | psi | ASTM D638 |
| 伸长率 (断裂) | ASTM D638 | ||
| 弯曲模量 | GPa | ksi | ASTM D790 |
| 加德纳冲击 | J @Temperature -30.0 °C | ft-lb @Temperature -22.0 °F |
| 热性能 | 额定值 (公制) | 额定值 (英制) | 测试方法 |
|---|---|---|---|
| 线性热膨胀系数 | µm/m-°C @Temperature 20.0 °C | µin/in-°F @Temperature 68.0 °F | ASTM D696 |
| 脆化温度 | °C | °F |