Accelerator for phosphating solutions

Details Accelerator for phosphating solutions Accelerator for phosphating solutions

1976-08-03

1978-04-25

Kendall, Ralph S.

Metal treatment

Compositions

Heat treating

148 615Z, C23F 708

Patent

active

040861031

ABSTRACT:
A method for accelerating the formation of a zinc or manganese phosphate coating on a metal substrate, which method comprises dissolving gaseous nitrogen peroxide in an acidic zinc or manganese phosphate coating solution and contacting the metal substrate with the solution so produced.

REFERENCES:
patent: 2132883 (1938-10-01), Romig
patent: 2591479 (1952-04-01), Ward
patent: 3144361 (1964-08-01), Klinghoffer

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