AQUEOUS AGENT AND COATING METHOD FOR THE ANTICORROSIVE TREATMENT OF METALLIC SUBSTRATES

摘要

The invention relates to an aqueous agent for the anticorrosive treatment of metallic substrates and to a method for coating such substrates. The aqueous agent according to the invention comprises at least one compound that dissociates zirconium- or titanium-fluorine complexes in aqueous solution, at least one water-soluble compound that releases metal cations, wherein the metal cations are selected from the group consisting of iron, copper or silver ions, and also a water-soluble alkoxysilane that has an epoxy group.