Flux and process for hot dip galvanization

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

C - Chemistry, Metallurgy

23

C

C23C 2/30 (2006.01) C23C 2/06 (2006.01) H01M 6/04 (2006.01) H01M 6/42 (2006.01) C23C 2/12 (2006.01)

Patent

CA 2428887

A flux for hot dip galvanization comprises from:.bullet. 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 a least one of the following compounds: NiCl2, CoCl2, MnCl2; and 0.1 to 1.5 wt.% of at least one of the following compounds: PbCl2, SnCl2, BiCl3, SbCl3.

Un fondant destiné à la galvanisation par immersion à chaud comprend: de 60 à 80 % en poids de chlorure de zinc (ZnCl¿2?); de 7 à 20 % en poids de chlorure d'ammonium (NH¿4?Cl); de 2 à 20 % en poids d'un agent modifiant la fluidité comprenant au moins un métal alcalin ou alcalino-terreux; de 0,1 à 5 % en poids d'au moins un des composés suivants: NiCl¿2?, CoCl¿2?, MnCl¿2?; et de 0,1 à 1,5 % en poids d'au moins un des composés suivants: PbCl¿2?, SnCl¿2?, BiCl¿3?, SbCl¿3?.

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