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IEC 60370:1971

Superseded Date published:

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IEC 60370:2017

Test procedure for thermal endurance of insulating varnishes - Electric strength method

Gives a method for determining the relative thermal endurance of electrical insulating varnishes by means of coating on glass cloth and measuring electric strength before and after heat ageing for establishing temperature indices to assist in determining suitability of electrical insulating varnishes for use in electrical systems.

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Pages: 18

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  • BS 5591:1978

    Methods of test for determination of ionic impurities in electrical insulating materials by extraction with liquids

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Pages: 18

IEC 60370:1971

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