| abstract |
A two-component epoxy resin composition having excellent mechanical strength is provided as a casting resin applicable to an automatic pressure gelling apparatus. A first liquid containing an epoxy resin and fused alumina or sintered alumina is prepared, and then a second liquid containing fused alumina or sintered alumina surface-treated with aminosilane, an acid anhydride, and a curing accelerator. Then, the first liquid and the second liquid are blended and cured to obtain an epoxy resin composition containing components in the first liquid and the second liquid. [Selection figure] None |