Corrosion prevention coating composition using the same and corrosion prevention coating composition for pigment

摘要

PROBLEM TO BE SOLVED: To provide a corrosion preventive coating composition giving a coating excellent in rust prevention especially for galvanized sheet iron, especially an aqueous corrosion preventive coating composition, and a pigment suitable for the composition.;SOLUTION: In this pigment, a zinc powder and an aqueous aluminum pigment and, if necessary, a rust preventive pigment and/or an extender are contained, and in this corrosion preventive coating composition, the pigment and an aqueous paint liquid is contained. For the aqueous paint liquid, one selected from the group consisting of an inorganic binder containing silicon, colloidal silica composite, acrylic resin, and polyurethane resin is preferable.;COPYRIGHT: (C)2002,JPO