| 摘要 |
PROBLEM TO BE SOLVED: To provide a casting resin composition that takes the role of insulation in a device for handling high electric voltage such as an electric transmission-transformation system, an insulation material and an insulation structure using the same, and is improved in the anti-treeing property of the casting resin composition. SOLUTION: The casting resin composition for insulator comprises an epoxy compound having two or more epoxy groups per one molecule, micro-particles that are composed of one or more substances selected from a group consisting of silica, alumina and mullite, nano particles composed of one or more substances selected from layered silicate compound, oxide, and nitride, and elastomer particles. COPYRIGHT: (C)2008,JPO&INPIT
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