Aluminum chromate protective coatings for aluminum

Details Aluminum chromate protective coatings for aluminum Aluminum chromate protective coatings for aluminum

1973-04-20

1976-09-28

Hayes, Lorenzo B.

Compositions: coating or plastic

Coating or plastic compositions

Corrosion inhibiting coating composition

148 62, 148 627, 252387, C09D 508

Patent

active

039829510

ABSTRACT:
A corrosion resistant conversion coating consisting essentially of hexavalent chromium, fluosilicate ion, nitrate ion, and a source of soluble barium. Improved paintability and corrosion resistance of the aluminum surface is claimed adapting the aluminum for siding and other architectural uses.

REFERENCES:
patent: 2276353 (1942-03-01), Thompson
patent: 2868679 (1959-01-01), Pimbley

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