- 密度 [g/cm3]: 1.38
- 吸水率 [%]: 0.5
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 1.38 g/cc | 0.0499 lb/in³ | ISO.1183 DIN.53479 |
| Moisture Absorption at Equilibrium | 0.20 % | 0.20 % | 50% relative humidity |
| Water Absorption at Saturation | 0.50 % | 0.50 % | 23°C |
| Mechanical Properties | Metric | English | Comments |
| Hardness, Rockwell M | 95 | 95 | dry sample; ISO2039.2 |
| Ball Indentation Hardness | 170 MPa | 24700 psi | ISO2039.1 DIN.53456 |
| Tensile Strength at Break | 85.0 MPa | 12300 psi | ISO.527 DIN.53455 |
| Elongation at Break | 50 % | 50 % | ISO.527 DIN.53455 |
| Tensile Modulus | 3.10 GPa | 450 ksi | ISO.527 DIN.53455 |
| Compressive Strength | 20.0 MPa | 2900 psi | 1% strain over 1000 hours; ISO.899 DIN.53444 |
| Charpy Impact Unnotched | NB | NB | 7.5 J; ISO.R179 DIN.53453 |
| Charpy Impact, Notched | 0.500 J/cm² | 2.38 ft-lb/in² | ISO179/3C DIN.53453 |
| Coefficient of Friction, Dynamic | 0.25 | 0.25 | on dry ground steel; load =0.05MPa; speed =0.6 m/s |
| Electrical Properties | Metric | English | Comments |
| Volume Resistivity | 1.00e+16 ohm-cm | 1.00e+16 ohm-cm | ISO.93 DIN.53482 |
| Dielectric Constant | 3.2 @Frequency 1e+6 Hz | 3.2 @Frequency 1e+6 Hz | ISO.250 DIN.53483 |
| Dielectric Strength | 60.0 kV/mm | 1520 kV/in | ISO.243 DIN.53481 |
| Dissipation Factor | 0.010 @Frequency 1e+6 Hz | 0.010 @Frequency 1e+6 Hz | ISO.250 DIN.53483 |
| Thermal Properties | Metric | English | Comments |
| CTE, linear | 70.0 µm/m-°C @Temperature 23.0 - 60.0 °C | 38.9 µin/in-°F @Temperature 73.4 - 140 °F | |
| Thermal Conductivity | 0.280 W/m-K | 1.94 BTU-in/hr-ft²-°F | DIN.52612 |
| Melting Point | 255 °C | 491 °F | |
| Maximum Service Temperature, Air | 115 °C | 239 °F | Maximum operating temperature continuously for 5000 hours based on a tensile stress of 50% at 23° C. |
| 170 °C | 338 °F | short period, no load | |
| Deflection Temperature at 1.8 MPa (264 psi) | 95.0 °C | 203 °F | ISO.75 DIN.53461 |
| Minimum Service Temperature, Air | -20.0 °C | -4.00 °F | impact conditions and heavy loads not considered |
| Flammability, UL94 | HB | HB | |
| Oxygen Index | 22 % | 22 % | ISO.4589 |