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
preliminary evaluation of changes in structure and composition without the complicating influence of environmental conditions, especially dirt and moisture. By changing some of the circuit conditions described herein it has been found possible to rearrange markedly the order of arc resistance of a group of organic insulating materials consisting of vulcanized fiber and of molded phenolic and amino plastics, some containing organic, and some inorganic, filler.
1.5 While this test method uses dry,
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08/28 15:52