Composition and process for treatment of ferrous substrates

Details Composition and process for treatment of ferrous substrates Composition and process for treatment of ferrous substrates

C - Chemistry, Metallurgy

23

F

31/43

C23F 11/18 (2006.01) C23C 22/34 (2006.01)

Patent

CA 1264538

ABSTRACT OF THE DISCLOSURE A composition and process for treating ferrous substrates including black plate container bodies to inhibit in-process corrosion or rusting of the surfaces thereof by contacting the ferrous substrate with aqueous acidic composition containing controlled effective amounts of aluminum, fluoride, optionally a second metal selected from the group consisting of zirconium, titanium, hafnium and mixtures thereof and hydrogen ions to provide a pH on the acid side.

480961

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