Zirconium rinse for phosphate coated metal surfaces

Metal treatment – Compositions – Heat treating

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Details

148 614R, 148 615R, 148 615Z, 106 14, 106299, C23F 710

Patent

active

039665020

ABSTRACT:
A metal surface upon which a conversion coating has already been formed, is treated by contacting the surface with an aqueous solution consisting of a soluble zirconium containing compound, thereby improving the qualities of the conversion coating.

REFERENCES:
patent: 1536254 (1925-05-01), White
patent: 2017125 (1935-10-01), Kinzie
patent: 2316057 (1943-04-01), Doser et al.
patent: 2323387 (1943-07-01), Edelstein
patent: 2328431 (1943-08-01), Doser et al.
patent: 3539402 (1970-11-01), Ries
patent: 3695942 (1972-10-01), Binns
patent: 3850732 (1974-11-01), Binns

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