Iron phosphate accelerator

Details Iron phosphate accelerator Iron phosphate accelerator

1977-12-30

1979-04-17

Kendall, Ralph S.

Metal treatment

Compositions

Heat treating

148 615R, C23F 710

Patent

active

041499093

ABSTRACT:
A combination of accelerators, including an oxidizing agent such as a chlorate or a bromate, in conjunction with a reducing agent, particularly, hydroxylamine sulfate is used in phosphatizing ferrous metal at low temperature to produce an iron phosphate coating with good salt spray resistance.

REFERENCES:
patent: 2298280 (1942-10-01), Clifford et al.
patent: 2657156 (1953-10-01), Hyams et al.
patent: 2702768 (1955-02-01), Hyams et al.
patent: 2743204 (1956-04-01), Russell
patent: 2758949 (1956-08-01), Ley et al.
patent: 3015594 (1962-01-01), Russell
patent: 3615912 (1971-10-01), Dittel et al.
patent: 3839099 (1974-10-01), Jones

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