Method for activating metal surfaces prior to zinc phosphation

Details Method for activating metal surfaces prior to zinc phosphation Method for activating metal surfaces prior to zinc phosphation

1986-11-24

1987-11-17

Silverberg, Sam

Metal treatment

Compositions

Heat treating

148 615R, C23C 2280, C23C 2212

Patent

active

047071931

ABSTRACT:
A method for activating a metal surface during a phosphating process by treating the surface with an activating solution containing titanium ions, phosphate ions, and borate ions, after initial cleaning and rinsing but before phosphation.

REFERENCES:
patent: 3795548 (1974-03-01), Hauser
patent: 4265677 (1981-05-01), Mueller et al.
patent: 4384900 (1983-05-01), Gotta et al.

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