Compositions for treatment of metallic surfaces by means of fluo

Details Compositions for treatment of metallic surfaces by means of fluo Compositions for treatment of metallic surfaces by means of fluo

1977-04-21

1979-01-02

Kendall, Ralph S.

Metal treatment

Compositions

Heat treating

148 627, 106 1412, 148 615Z, C23F 704, C23F 712, C23F 714

Patent

active

041325729

ABSTRACT:
Steel, aluminum and aluminum alloys, zinc and zinc alloys are treated to improve corrosion resistance with an aqueous solution of a fluorophosphate salt to passivate the metal surface, before or after phosphatizing and prior to painting.

REFERENCES:
patent: 3342687 (1967-09-01), Gould

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