Accelerator for phosphating metal surfaces

The invention relates to an acidic, aqueous phosphating solution that contains 0.2 to 3 g/l zinc ions, 3 to 50 g/l phosphate ions, calculated as PO4 and 0.5 to 5 g/l of at least one organic nitro compound as the accelerator. The inventive compound is further characterized in that the organic nitro c...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	FRANZ-ADOLF CZIKA, PETER KUHM, BERND SCHENZLE
Format:	Patent
Sprache:	eng
Schlagworte:	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 SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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