Process for phosphating metals

Details Process for phosphating metals Process for phosphating metals

1985-03-05

1987-01-20

Silverberg, Sam

Metal treatment

Compositions

Heat treating

C23F 710

Patent

active

046378383

ABSTRACT:
The quality of coatings in a low zinc phosphating process is improved by including an activator of formate, nitrilotriacetate, trichloroacetate or ethylenediamenetetraacetate to produce more uniform coatings particularly desirable in advance of electrocoating.

REFERENCES:
patent: 2743204 (1956-04-01), Russel

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