▎ 摘　　要

NOVELTY - Composition comprises graphene dispersion, polymethylsilsesquioxane resin and polycarbonate solution. USE - The composition is useful in leak detection sensor for detecting organic solvent leakage (all claimed). ADVANTAGE - The composition has high conductivity, and improves reactivity and storage. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for leak detection sensor comprising a base film layer, and a sensing layer formed on the base film layer and provided with conductive line spaced apart from a sensing line in predetermined distance. The sensing line is made of the composition.