POSCO Holdings Inc.
ORGANIC-INORGANIC COMPOSITE COATING COMPOSITION, AND ZINC-PLATED STEEL SHEET SURFACE-TREATED USING SAME

Abstract:

Provided is an organic-inorganic composite resin composition for coating the surface of a zinc-plated steel sheet, comprising 5-25 wt % of a polymer resin, 4-20 wt % of a silane compound, 3-10 wt % of a curing agent and 0.1-2 wt % of ferrocene compound on the basis of the total weight of the composition.