abstract |
(57) [Problem] To provide a flame-retardant epoxy resin composition having no environmental problems and excellent in electrical properties, flame retardancy and the like. The present invention provides a flame-retardant epoxy resin composition comprising an epoxy resin, a composite flame retardant comprising aluminum hydroxide and a nitrogen-based substance, an acid anhydride, and a curing accelerator. Examples of the nitrogen-based substance include ammonium polyphosphate, melamine polyphosphate, and melamine sulfate. |