Liquid dispersion composition for, and method of, polishing ferr

Adhesive bonding and miscellaneous chemical manufacture – Delaminating processes adapted for specified product – Delaminating in preparation for post processing recycling step

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Details

156642, 156645, 156664, 156903, 252 791, 252 794, 252136, 252100, 148 614A, 148 615R, C23F 100, C23F 128, C09K 1300

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047240415

ABSTRACT:
Compositions and methods of using the compositions in preparing ferrous metal components for subsequent surface electroplating by preparing a solution containing an acid and a sequestering agent, immersing the components and abrading media in the solution, and agitating the components and the abrading media while maintaining the components and the media immersed in the solution. The composition has, by defined weight percents, oxalic acid; a phosphorus sequestering agent; the ratio by weight of oxalic acid to sequestering agent being in a range of from about 0.7:1 to about 0.2:1; a quantity of an ammonifying agent sufficient and effective for adjusting the pH of the solution formed on dissolving the composition in water to a range of from about 3.5 to about 6; a quantity of a surfactant sufficient and effective for accomplishing wetting of the composition; and a quantity of a carrier material in the form of a suspending agent sufficient to make up the remainder of the composition.

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