原始名称记载: O-Flex Co., Ltd.

The present disclosure relates to an ultraviolet-curable protective material composition comprising an oligomer having at least one backbone selected from hydrogenated polybutadiene and polyisobutylene, and having di-functional acrylate groups; an acrylate monomer, and a photoinitiator, wherein the composition has a Young's modulus of 100 MPa to 2,000 MPa at 25° C. and a tack force of less than 20 gf after UV curing.