PURPOSE: A coating solution for a zinc-plated synthetic resin fused iron wire is provided, to improve the adhesion strength of a synthetic resin coating, to prevent the cracking by inhibiting the corrosion of an inner iron wire, and to reduce the discoloration of the surface of a synthetic resin. CONSTITUTION: The coating solution comprises 69-80 wt% of an adhesive resin; 10-20 wt% of mica; 1-5 wt% of phosphate; 1-5 wt% of silver power; and 0.5-1 wt% of tin oxide. Preferably the adhesive resin is selected from the group consisting of a bisphenol ester resin, a polyamide resin, a polyepoxy ester resin, a polymethacrylate resin, polycarbonate resin, a polyacrylate resin and a polyethylene vinyl acetate.
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