Organic phosphating solution for the phosphating of metallic sur

Details Organic phosphating solution for the phosphating of metallic sur Organic phosphating solution for the phosphating of metallic sur

1983-03-16

1984-05-29

Silverberg, Sam

Metal treatment

Compositions

Heat treating

C23F 710

Patent

active

044513011

ABSTRACT:
Homogeneous phosphating solutions comprise low-boiling halogenated hydrocarbons, aqueous phosphoric acid, methanol or an alcohol mixture consisting predominantly of methanol, nitroaromatics, ureas, optional conventional stabilizers, inhibitors, or accelerators, and, additionally, 0.01-2.0% by weight of formic acid esters as activating crystal nucleators.

REFERENCES:
patent: 2854370 (1958-09-01), Kronstein
patent: 2992146 (1961-07-01), Low

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