| 摘要 |
PROBLEM TO BE SOLVED: To provide an epoxy resin composition that gives epoxy resin cured products having excellent balance between the dielectric breakdown strength, the creep properties, the high-temperature endurant strength, the resistance against humidity and the like. SOLUTION: This epoxy resin composition characteristically comprises, as essential components, (A) an epoxy resin, (B) a curing agent, and (C) a curing accelerator in which the main component of the curing agent (B) is methylnorbornane-2,3-dicarboxylic anhydride and the amount of the succinic anhydride is <=0.4 wt.% in the curing agents.
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