| abstract |
The present invention relates to a method of coating a metallic surface with an aqueous composition as a solution or dispersion, wherein the composition comprises a) one or more phosphates, b) at least 0.1 g / l of At least one titanium and / or zirconium compound, c) at least one complexing agent, d) at least one compound containing cations of aluminum, chromium (III) and / or zinc, and / or aluminum, chromium (III) and / , And e) 1 to 500 g / L of at least one acid-resistant, cationic or non-ionic organic polymer / copolymer. |