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Peek Properites(compression molded and injection molded versions also available) |
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| ASTM or UL test | Property | Unfilled | 30% Glass Fibers | 30% Carbon Fibers | Bearing Grade |
| PHYSICAL | |||||
| D792 | Density (lb/in³) (g/cm³) |
0.047 1.31 |
0.056 1.54 |
0.051 1.41 |
0.052 1.44 |
| D570 | Water Absorption, 24 hrs (%) | 0.10 | 0.10 | 0.06 | 0.05 |
| MECHANICAL | |||||
| D638 | Tensile Strength (psi) | 16,000 | 15,000 | 19,000 | 11,000 |
| D638 | Tensile Modulus (psi) | 500,000 | 900,000 | 1,100,000 | 850,000 |
| D638 | Tensile Elongation at Break (%) | 20 | 3 | 5 | 2 |
| D790 | Flexural Strength (psi) | 25,000 | 28,000 | 25,750 | 27,500 |
| D790 | Flexural Modulus (psi) | 600,000 | 1,000,000 | 1,250,000 | 1,100,000 |
| D695 | Compressive Strength (psi) | 20,000 | 26,000 | 29,000 | 26,700 |
| D695 | Compressive Modulus (psi) | 500,000 | 1,000,000 | – | 1,000,000 |
| D785 | Hardness, Rockwell | M100 (R126) | M103 | M102 | M85 |
| D256 | IZOD Impact Notched (ft-lb/in) | 1.0 | 1.4 | 1.0 | 0.7 |
| THERMAL | |||||
| D696 | Coefficient of Linear Thermal Expansion (x 10-5 in./in./°F) |
2.6 | 1.2 | 1.0 | 1.7 |
| D648 | Heat Deflection Temp (°F / °C) at 264 psi |
320 / 160 | 600 / 315 | 550 / 288 | 383 / 195 |
| D3418 | Melting Temp (°F / °C) | 644 / 340 | 644 / 340 | 644 / 340 | – |
| – | Max Operating Temp (°F / °C) | 480 / 249 | 480 / 249 | 500 / 260 | 482 / 250 |
| C177 | Thermal Conductivity (BTU-in/ft²-hr-°F) (x 10-4 cal/cm-sec-°C) |
1.75 6.03 |
2.98 10.3 |
6.4 22.0 |
1.7 5.9 |
| UL94 | Flammability Rating | V-0 | V-0 | V-0 | V-0 |
| ELECTRICAL | |||||
| D149 | Dielectric Strength (V/mil) short time, 1/8″ thick | 480 | 500 | 32 | – |
| D150 | Dielectric Constant at 1 MHz | 3.30 | 3.70 | – | – |
| D150 | Dissipation Factor at 1 MHz | 0.003 | – | – | – |
| D257 | Volume Resistivity (ohm-cm) at 50% RH | 4.9 x 1016 | 5 x 1016 | 105 | 103 |
NOTE: The information contained herein are typical values intended for reference and comparison purposes only. They should NOT be used as a basis for design specifications or quality control. Contact us for manufacturers’ complete material property datasheets.