ASTM D877用圆盘电极测定绝缘液体介电击穿电压的标准试验方法
日期:2012-02-08 11:30
-1006.
1.3.3 The suitability for this test method has not been determined for a liquid's viscosity higher than 900 cSt at 40C.
1.4 Procedure Applications
1.4.1 Procedure A
Procedure A is used to determine the breakdown voltage of liquids in which any insoluble breakdown products easily settle during the interval between the required repeated breakdown tests. These liquids include petroleum oils, hydrocarbons, and askarels (PCB) used as insulating and cooling liquids in transformers, cables, and
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