Flux and process for hot dip galvanization

Details Flux and process for hot dip galvanization Flux and process for hot dip galvanization

2005-07-26

2005-07-26

Jenkins, Daniel (Department: 1742)

Metal treatment

Compositions

Fluxing

Reexamination Certificate

active

06921439

ABSTRACT:
A flux for hot dip galvanization comprises from 60 to 80 wt % of zinc chloride (ZnCl2); 7 to 20 wt % of ammonium chloride (NH4Cl); 2 to 20 wt % of a fluidity modifying agent comprising at least one alkali or alkaline earth metal; 0.1 to 5 wt % of at least one of the following compounds: NiCl2, CoCl2, MnCl2and 0.1 to 1.5 wt % of at least one of the following compounds: PbCl2, SnCl2, BiCl3and SbCl3.

REFERENCES:
patent: 4168972 (1979-09-01), Dreulle
patent: 0 924 314 (1999-06-01), None
patent: 02050946 (1990-02-01), None
patent: 02070050 (1990-03-01), None
patent: 04154951 (1992-05-01), None
patent: 05195179 (1993-08-01), None

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