DIN EN 60216-5-2009 電絕緣材料.耐熱特性.第5部分:絕緣材料相對耐熱指數(RTE)的測定
Electrical insulating materials - Thermal endurance properties - Part 5: Determination of relative thermal endurance index (RTE) of an insulating material (IEC 60216-5:2008); German version EN 60216-5:2008