Peek / Polyetherketone
High-performance thermoplastic, with excellent mechanical properties, high resistance to high temperatures, good chemical resistance and flammability and low smoke emission.
Excellent wear resistance, fatigue dynamics and radiation. Its main properties are high strength at high temperatures (up to 310 °C in points), good radiation resistance, dimensional stability, low flammability, good electrical insulator, good sliding properties, hydrolysis resistance and good machinability.
Its main applications are electrical, valves, gears, pump components, injection molded components, aerospace and irradiated environments.
FEATURES | METHOD | UNIT | VALUE |
Density | DIN 53 479 | g/cm3 | 1,32 |
Yield point effort | DIN 53 455 | Mpa | 92 |
Elongation at break | DIN 53 455 | % | 50 |
Impact resistance | DIN 53 453 | Kj/m2 | Not break |
Dynamic coefficient of friction | – | N/mm2 | 0,3-0,38 |
Melting point | DIN 53 736 | °C | 334 |
Glass transition temperature | DIN 53 736 | °C | 143 |
Max. temperature short period | – | °C | 300 |
Max. temperature continuous | – | °C | 250 |
Thermal conductivity (23º C) | – | W (Km) | 0,25 |
Specific heat capacity (23 ºC) | – | SI (J/K) | 0,32 |
Linear expansion coefficient (23 ºC) | – | 4,7 | |
Dielectric coefficient (10 6 Hz) | DIN 53 483 | – | 3,2-3,3 |
Dissipation factor | DIN 53 483 | – | 0,001 – 0,004 |
Specific step resistance | DIN 53 483 | – | 4,9 x 10 6 |
Dielectric strength | DIN 50 481 | Ohm | 20 |