DS HD 570 : 1990
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
TEST PROCEDURE FOR THERMAL ENDURANCE OF INSULATING VARNISHES - ELECTRIC STRENGTH METHOD
23-05-2023
24-01-2017
Provides 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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