Polytetrafluoroethylene (PTFE) ni polymer ya tetrafluoroethylene (TFE), ni ibikoresho bya fluor ngirakamaro bifite imiterere myiza ya dielectric hamwe na coefficient de fraisse nkeya.Mubisanzwe bikoreshwa nka plastiki yubuhanga, birashobora gukorwa mumiyoboro ya polytetrafluoroethylene, inkoni, kaseti, isahani, firime, ...
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