Non-aqueous degreasing and chromating solution for metal treatme

Details Non-aqueous degreasing and chromating solution for metal treatme Non-aqueous degreasing and chromating solution for metal treatme

1985-07-11

1987-07-07

Albrecht, Dennis L.

Metal treatment

Compositions

Heat treating

106 1405, 134 40, 148 614A, 252100, 252104, 252143, 252147, 252170, 252171, 570117, B08B 308, C07C 1742, C11D 750, C23G 502

Patent

active

046785183

ABSTRACT:
A non-aqueous chromating treatment solution comprising a chlorofluorocarbon solvent, chromic acid anhydride, an alcohol solubilizer, and an organic carboxylic acid reaction promotor gives a higher coating amount of chromate film and better corrosion resistance effect.

REFERENCES:
patent: 2819193 (1958-01-01), Rausch
patent: 3285788 (1966-11-01), Svadlenak
patent: 3382081 (1968-05-01), Cutter
patent: 3630789 (1971-12-01), Deyrup
patent: 3706336 (1972-12-01), Bride
patent: 4257828 (1981-03-01), Wada

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