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Switchgear - ScienceDirect

Switchgear 463 13.4.2 Sulphur hexafluoride (SF6) SF6 gas is stable and inert up to about 500 C, it is incoustible, non-toxic, odourless and colourless. Figure 13.10 gives a comparison of the dielectric breakdown strength of SF6 gas with both air and transfor mer oil as a function of gas pressure.

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