NFC 26 245:1990现行
Test Procedure For Thermal Endurance Of Insulating Varnishes - Electric Strength Method
出版：Association Francaise de Normalisation
专家解读视频
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.
IEC 60370 : 1.0 - Identical
HD 570 : 200S1 - Identical
HD 570:1990 - Identical
IEC 60370 Ed. 1.0 - Identical
