A METHOD FOR COATING METALLIC SURFACES FOR PREVENTING PINHOLES ON ZINC-CONTAINING METALLIC SURFACES

A method of using a silane additive in an aqueous cleaning composition, in an aqueous rinsing liquid and/or in an aqueous activation composition for preventing pinholes on zinc-containing metallic surfaces, wherein the silane content in at least one of these aqueous compositions is in a range of 0.0...

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Bibliographische Detailangaben
Hauptverfasser: MRO MARTIN, WIETZORECK HARDY, DAHLENBURG OLAF, SPECHT JÜRGEN
Format: Patent
Sprache:eng
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Zusammenfassung:A method of using a silane additive in an aqueous cleaning composition, in an aqueous rinsing liquid and/or in an aqueous activation composition for preventing pinholes on zinc-containing metallic surfaces, wherein the silane content in at least one of these aqueous compositions is in a range of 0.001 to 5 g/l.