Method and composition for refinement of metal surfaces

B - Operations – Transporting – 44 – C

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B44C 1/22 (2006.01) B24B 31/14 (2006.01) C03C 15/00 (2006.01) C23C 22/73 (2006.01) C23F 1/00 (2006.01) C23F 3/00 (2006.01)

Patent

CA 1313996

ABSTRACT OF THE DISCLOSURE A composition for use in the vibratory mass finishing of magnetic stainless steel objects contains oxalic acid, sodium m-nitrobenzene sulfonate, and sodium thiocyanate, the latter two compounds being present in specified ratios to one another. The preferred compositions include a hydroxyalkyl amine; for certain applications, they most desirably also include a poly(oxyethylene)-alkyl alcohol surfactant.

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