Polytrope TPP 608 is an olefinic elastomer exhibiting low thermal expansion, low heat sag and high DOI on painted parts.
Application
TPP 608 is designed specifically for automotive fascias.
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 D527 | ||
| 弯曲模量 | GPa | ksi | ASTM D790 |
| 加德纳冲击 | J @Temperature -30.0 °C | ft-lb @Temperature -22.0 °F | |
| 冲击 | J/m, Charpy Notched Impact; ASTM D256 |
| 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 -30.0 - 100 °C | µin/in-°F @Temperature -22.0 - 212 °F | ASTM D696 |
| 材料描述 | 测试方法 | |
|---|---|---|
| Heat Sag | 2.29 mm | 1 hr at 120°C, 4 in over hang |