Provided is an active energy ray-curable resin composition which is a colorless transparent liquid blend having excellent heat resistance, and which enables the achievement of a cured product that is free from coloring. This active energy ray-curable resin composition contains (A) a urethane (meth)acrylate compound, (B) an ethylenically unsaturated monomer other than the component (A), and (C) a thiol compound; and the concentration of a transition metal contained in the resin composition is 7 ppm or less of the curable resin composition.
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