1.1 This test method covers the determination of the thermal endurance of electrical insulating varnishes alone or in combinations with magnet wire insulation. Changes in the helical coil bond strength are used as the test criteria. The co
ASTM
Standard Test Method for Thermal Endurance of Electrical Insulating Varnishes by the Helical Coil Method
STD-71056
2008
2008-05-01
3