| abstract |
(57) [Problem] To provide a cation capable of forming a coating film having excellent rust-prevention property and even smoothness on untreated steel sheets without containing harmful substances such as lead compounds and chromium compounds. Provide electrodeposition paint. SOLUTION: The cationic electrodeposition contains a resin for a cationic electrodeposition coating material (A), a condensed aluminum phosphate and / or a zinc compound (B), and aluminum oxide and / or aluminum hydroxide (C). paint. |