Method and composition for treatment of metals

Details Method and composition for treatment of metals Method and composition for treatment of metals

C - Chemistry, Metallurgy

23

C

C23C 22/34 (2006.01) C23C 22/44 (2006.01)

Patent

CA 2110456

A non-chromate pretreatment for aluminum and zinc-aluminum galvanized steel is disclosed which comprises a polyacrylic acid or homopolymers and copolymers thereof, a molybdate, and a dihydrohexafluo acid.

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