ASTM D495固体电绝缘材料耐高压低电流干电弧性能测试方法
日期:2012-02-07 17:35
ASTM D495Standard Test Method for High-Voltage, Low-Current, Dry Arc Resistance of Solid Electrical Insulation
ASTM D495固体电绝缘材料耐高压低电流干电弧性能测试方法
1. Scope
1.1 This test method covers, in a preliminary fashion, the differentiation among similar materials with respect to their resistance to the action of a high-voltage, low-current arc close to the surface of insulation, intending to form a conducting path therein or in causing the material to become conducting due to the loca
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