processo para galvanização por imersão a quente

The present invention generally relates to a flux for hot dip galvanization comprising from: 37 to 80 wt.% (percent by weight) of zinc chloride (ZnCl 2 ); 8 to 62 wt.% of ammonium chloride (NH 4 Cl); from 2,0 to 10 wt.% of a least one of the following compounds: NiCl 2 , MnCl 2 or a mixture thereof....

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	GENTIANA KONE, ANTHONY VERVISHC, DAVID WARICHET
Format:	Patent
Sprache:	por
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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Beschreibung
Zusammenfassung:	The present invention generally relates to a flux for hot dip galvanization comprising from: 37 to 80 wt.% (percent by weight) of zinc chloride (ZnCl 2 ); 8 to 62 wt.% of ammonium chloride (NH 4 Cl); from 2,0 to 10 wt.% of a least one of the following compounds: NiCl 2 , MnCl 2 or a mixture thereof. The invention further relates to a fluxing bath, a process for the hot dip galvanization of an iron or steel article as well as to the use of said flux.