Aqueous flux for hot dip metalizing process

Coating processes – With pretreatment of the base – Fluxing

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148 26, B05D 304, B23K 3534

Patent

active

044966121

ABSTRACT:
A flux bath and its use in treating ferrous articles prior to their being dipped in a molten aluminum-zinc alloy is disclosed. The flux may be molten bath or used as an aqueous solution which contains from 200 to 750 g/l dissolved solids. The dissolved solids are 91 to 98.5 wt. % zinc chloride, 1.5 to 9 wt. % ammonium chloride and, based on zinc chloride and ammonium chloride, from 0.6 to 3 wt. % fluoride ions.

REFERENCES:
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patent: 1914269 (1933-06-01), Liban
patent: 2179258 (1939-11-01), Howarth
patent: 3740275 (1973-06-01), Heins
patent: 3806356 (1974-04-01), Shoemaker
patent: 3816188 (1974-06-01), Chay
patent: 3988175 (1976-10-01), Baker et al.
patent: 4152471 (1979-05-01), Schnedler et al.

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