Post treatment of conversion-coated zinc surfaces

Details Post treatment of conversion-coated zinc surfaces Post treatment of conversion-coated zinc surfaces

1977-02-03

1978-08-29

Kendall, Ralph S.

Metal treatment

Compositions

Heat treating

148 614R, C23F 712

Patent

active

041101294

ABSTRACT:
Disclosed is a process wherein a conversion coated zinc or zinc alloy surface is post-treated with an aqueous solution comprising at least 0.02 g/l titanium ion and at least 0.1 g/l of an adjuvant selected from phosphoric acid, phytic acid, tannin, the salts and esters of the foregoing, and hydrogen peroxide.

REFERENCES:
patent: 3101286 (1963-08-01), Reinhold
patent: 3682713 (1972-08-01), Ries et al.
patent: 3895970 (1975-07-01), Blum et al.
patent: 3975214 (1976-08-01), Kulick et al.

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