General Poron® information: Poron® foams are supplied in continuous rolls and can easily be fabricated: die-cut, slit, machined, and laminated. Key properties include excellent resistance to compression set, high energy absorption, low outgassing, resistance to temperatures, bondable surface, low hydrolysis, no plasticizers, high internal strength and dimensional stability, and chemical resistance.
Information supplied by Rogers Corporation.
| 物理性能 | 额定值 (公制) | 额定值 (英制) | 测试方法 |
|---|---|---|---|
| 密度 | g/cc | lb/in³ | ±10%; ASTM D3574A |
| 吸水率 | Typical per AMS 3568 | ||
| 饱和吸水率 | Immersion; ASTM D570 |
| 机械性能 | 额定值 (公制) | 额定值 (英制) | 测试方法 |
|---|---|---|---|
| 肖氏硬度 (邵氏 A) | ASTM D2240 | ||
| Hardness, Shore O | ASTM D2240 | ||
| 极限抗拉强度 | >= MPa | >= psi | ASTM D3574E |
| 伸长率 (断裂) | ASTM D3574E | ||
| 压缩屈服强度 | MPa | psi | at 25% deflection; 0.2"/min strain rate |
| 撕裂强度 | >= kN/m | >= pli | Die C; ASTM D624 |
| 永久压缩 | 23°C; ASTM D1667 test D | ||
| @Temperature 70.0 °C | @Temperature 158 °F | ASTM D3574 test D | |
| @Temperature 121 °C | @Temperature 250 °F | Test D after autoclaved 5 hrs.; ASTM D3574J |
| 电气性能 | 额定值 (公制) | 额定值 (英制) | 测试方法 |
|---|---|---|---|
| 电阻率 | ohm-cm | ohm-cm | ASTM D257 |
| 表面电阻 | ohm | ohm | ASTM D257 |
| 介电常数 | K' ("DK"); ASTM D150; relative humidity 50% for 24 hrs. | ||
| 介电强度 | kV/mm | kV/in | ASTM D149 |
| 耗散因数 | tan D ("DF"); ASTM D150 |
| 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 C518 |
| 导热系数 | W/m-K | BTU-in/hr-ft²-°F | ASTM C158 |
| 最高工作温度, Air | °C | °F | Recommended continuous use |
| °C | °F | Intermittent | |
| 脆化温度 | °C | °F | Low temp embrittlement; ASTM D746 |