| abstract |
A method for producing steel plate substrate for lacquering which comprises applying on the surface of the steel plate a treating solution containing 5 - 150 g/l of chromic acid, 5 - 200 g/l (as oxide) of metal oxide sol, 5 - 100 g/l of one or more selected from the group consisting of nitride, acetate, carbonate, and hydroxide of metal, borax, molybdate tungstate, and baking at a temperature of 400 DEG C or more. |