Cleaning compositions

Details Cleaning compositions Cleaning compositions

C - Chemistry, Metallurgy

11

D

134/3.2

C11D 3/60 (2006.01) C11D 3/00 (2006.01) C11D 9/10 (2006.01) C11D 9/18 (2006.01) C11D 10/06 (2006.01)

Patent

CA 1055801

Abstract of the disclosure Aqueous cleaning compositions for metal surfaces particularly copper and brass surfaces contain a soap produced by the reaction of a fatty acid with a weak base, an abrasive material and a thiosulphate, dithionite or phosphite salt. The presence of the thiosulphate, dithionite or phosphite salt causes the composition to form a thin film of liquid on the metal surface which does not rapidly break up into droplets. A thickening and/or suspending agent may be present. -1-

229088

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