Polyetherketoneketone ( PEKK )
Material Information
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Electrical Properties
| Dielectric constant @1kHz |
3.3 |
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| Dielectric strength ( kV mm-1 ) |
23.6 |
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| Dissipation factor @ 1kHz |
0.004 |
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| Surface resistivity ( Ohm/sq ) |
2x1016 |
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| Volume resistivity ( Ohmcm ) |
1016 |
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Mechanical Properties
| Coefficient of friction |
0.26 |
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| Compressive strength ( MPa ) |
206 |
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| Elongation at break ( % ) |
12 |
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| Hardness - Rockwell |
M88 |
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| Izod impact strength ( J m-1 ) |
69 |
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| Tensile modulus ( GPa ) |
4.5 |
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| Tensile strength ( MPa ) |
110 |
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Physical Properties
| Density ( g cm-3 ) |
1.31 |
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| Flammability |
V-0 |
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| Radiation resistance |
Good |
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| Water absorption - over 24 hours ( % ) |
<0.20 |
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Thermal Properties
| Coefficient of thermal expansion ( x10-6 K-1 ) |
38 |
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| Heat-deflection temperature - 1.8MPa ( C ) |
175 |
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| Thermal conductivity @0.25C ( W m-1 K-1 ) |
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| Upper working temperature ( C ) |
260 |
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Buy Polyetherketoneketone on-line
| Standard products are available in these forms |
|
| Choose a form to search our on-line catalog
|