Compositions and methods for removing sealant compositions

Details Compositions and methods for removing sealant compositions Compositions and methods for removing sealant compositions

C - Chemistry, Metallurgy

11

D

149/26

C11D 9/30 (2006.01) B05D 3/10 (2006.01) C09D 9/00 (2006.01)

Patent

CA 1240908

ABSTRACT OF THE DISCLOSURE Aqueous compositions containing as essential ingredients; an alkanolamine, an aliphatic carboxylic acid containing 5 to 18 carbon atoms, and an aryle- netriazole have been found effective in removing resin- containing sealants from the surfaces of zinc containing metals, such as galvanized steel, without causing changes in the surfaces of the metal, so that phosphate coatings which are subsequently applied to said sur- faces are neither streaky nor spotty.

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