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The electrical properties are practically unaffected. The addition of Ceramer to PTFE has hardly any effect on the material's electrical properties. The outstanding electrical insulating properties of PTFE are therefore nearly unchanged.
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The volume resistivity for PTFE and PFA of
>1015 Ω cm stay for the material's reinforced with 5%, 10% or 20% at values >1015 Ω cm.
(Determined according to IEC 93 at 23 °C, 50% relative humidity, voltage: 100 V).
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The dielectric constant of PTFE compounds with Ceramer increases from 2.07 (pure PTFE) to 2.34 (20% Ceramer content) and is not affected by the frequency. The dissipation factor tan δ is shown in the figure. |
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