Composition and method for coating metal surfaces

Details Composition and method for coating metal surfaces Composition and method for coating metal surfaces

1978-01-30

1980-01-15

Hoffman, James R.

Metal treatment

Compositions

Heat treating

148 315, 260 296M, 260 296MP, 260 296WB, C23F 1104, C09K 1532, B05D 138, B05D 714

Patent

active

041837720

ABSTRACT:
This application is concerned with the treatment of metal surfaces with stable solutions of hexavalent chromium, trivalent chromium, phosphoric acid, polyacrylic acid and water dispersible acrylic emulsion polymer to enhance the corrosion resistance and paint adhesion properties of the metal; the coating uniquely having generally universal utility under a wide variety of paint systems and paint types.

REFERENCES:
patent: 3063877 (1962-11-01), Schiffman
patent: 3185596 (1965-05-01), Schiffman

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