Visible dried-in-place non-chrome treatment for aluminum

Details Visible dried-in-place non-chrome treatment for aluminum Visible dried-in-place non-chrome treatment for aluminum

1993-03-26

1994-03-08

Silverberg, Sam

Metal treatment

Process of modifying or maintaining internal physical...

Processes of coating utilizing a reactive composition which...

148244, C23C 2206

Patent

active

052923789

ABSTRACT:
A method of providing color to a dried-in-place, non-chromate conversion coating is provided. The addition of a phthalo green pigment and optionally a nonionic surfactant to an aqueous, dried-in-place conversion coating treatment solution provides for a colored conversion coating without adversely effecting the corrosion resistance or adhesion properties of the conversion coating.

REFERENCES:
patent: 3114660 (1963-12-01), Cochran
patent: 3326728 (1967-06-01), Robinson

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