- 密度 [g/cm3]: 2.18
Physical Properties | Metric | English | Comments |
---|---|---|---|
Density | 2.18 g/cc | 0.0788 lb/in³ | ISO.1183 DIN.53479 |
Moisture Absorption at Equilibrium | 0.00 % | 0.00 % | 50% relative humidity |
Water Absorption at Saturation | 0.00 % | 0.00 % | 23°C |
Mechanical Properties | Metric | English | Comments |
Hardness, Shore D | 53 | 53 | dry sample; ISO2039.2 |
Ball Indentation Hardness | 30.0 MPa | 4350 psi | ISO2039.1 DIN.53456 |
Tensile Strength at Break | 20.0 MPa | 2900 psi | ISO.527 DIN.53455 |
Elongation at Break | 500 % | 500 % | ISO.527 DIN.53455 |
Tensile Modulus | 0.700 GPa | 102 ksi | ISO.527 DIN.53455 |
Compressive Strength | 1.50 MPa | 218 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 | 1.40 J/cm² | 6.66 ft-lb/in² | ISO179/3C DIN.53453 |
Coefficient of Friction, Dynamic | 0.10 | 0.10 | on dry ground steel; load =0.05MPa; speed =0.6 m/s |
Electrical Properties | Metric | English | Comments |
Volume Resistivity | 1.00e+15 ohm-cm | 1.00e+15 ohm-cm | ISO.93 DIN.53482 |
Dielectric Constant | 2.1 @Frequency 1e+6 Hz | 2.1 @Frequency 1e+6 Hz | ISO.250 DIN.53483 |
Dielectric Strength | 11.0 kV/mm | 279 kV/in | ISO.243 DIN.53481 |
Dissipation Factor | 0.00020 @Frequency 1e+6 Hz | 0.00020 @Frequency 1e+6 Hz | ISO.250 DIN.53483 |
Thermal Properties | Metric | English | Comments |
CTE, linear | 14.0 µm/m-°C @Temperature 23.0 - 60.0 °C | 7.78 µin/in-°F @Temperature 73.4 - 140 °F | |
Thermal Conductivity | 0.240 W/m-K | 1.67 BTU-in/hr-ft²-°F | DIN.52612 |
Melting Point | 325 °C | 617 °F | |
Maximum Service Temperature, Air | 250 °C | 482 °F | Maximum operating temperature continuously for 5000 hours based on a tensile stress of 50% at 23° C. |
260 °C | 500 °F | short period, no load | |
Deflection Temperature at 1.8 MPa (264 psi) | 50.0 °C | 122 °F | ISO.75 DIN.53461 |
Minimum Service Temperature, Air | -200 °C | -328 °F | impact conditions and heavy loads not considered |
Flammability, UL94 | V-0 | V-0 | |
Oxygen Index | 92 % | 92 % | ISO.4589 |