PURPOSE: To provide the compsn. which has specific components, such as a spectacle unsatd. epoxy oligomer and acrylate-urethane oligomer, and has a long preservation life and low viscosity and excellent hardness, pliability, flexibility, moisture resistance, etc.

CONSTITUTION: (A) The unsatd. epoxy oligomer which has a mol.wt. of 2,000 to 5,000 and of which the epoxy in the oligomer is a bisphenol epoxy resin, (B) the acrylate-urethane oligomer, (C) the unsatd. epoxy oligomer consisting of 1 to 5 mol.% epoxy novolak and 95 to 99 mol.% bisphenol epoxy resin, (D) a liquid monoacrylate, (E) an ether chain-contg. liquid diacrylate, (F) a liquid alkylene diacrylate having 2-8C alkylene and (G) a UV polymn. initiator are compounded at ratios of 20 to 50 wt.% (hereafter %) component A, 2 to 10% component B, 0 to 50% component C, 10 to 40% component D, 2 to 20% component E, 5 to 25% component F and 1 to 5% component G.