Compositions and processes for cleaning and passivating metals

Details Compositions and processes for cleaning and passivating metals Compositions and processes for cleaning and passivating metals

C - Chemistry, Metallurgy

23

G

149/25

C23G 1/26 (2006.01) C23G 1/16 (2006.01)

Patent

CA 1231294

ABSTRACT OF THE DISCLOSURE Compositions and processes for cleaning and passi- vating metals wherein the cleaning operation is carried out at temperatures of from room temperature to 100°C and said compositions are aqueous solutions containing a phosphoric acid ester, an alkanolamine, at least one sprayable surfactant and, optionally, builders, non- ferrous metal inhibitors, and/or biocides.

453644

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