Method for providing metal surfaces with protection against corrosion

Corrosion protection of metal surfaces with at least 90 % zinc, aluminum and/or magnesium, comprises cleaning, passivation and painting. The passivation is carried out using an aqueous solution having a pH of 1-12 and containing 20-50 mg/l complex fluorides of Ti, Zr, Hf, Si and/or B and 50-200 mg/l...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	HEIKE QUELLHORST, WINFRIED WICHELHAUS DR, BERND SCHENZLE
Format:	Patent
Sprache:	eng
Schlagworte:	APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY PERFORMING OPERATIONS PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL SPRAYING OR ATOMISING IN GENERAL SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING
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