Method of applying zinc-rich primer

Details Method of applying zinc-rich primer Method of applying zinc-rich primer

C - Chemistry, Metallurgy

09

D

117/91, 204/97.1

C09D 5/10 (2006.01) B23K 35/22 (2006.01)

Patent

CA 1102636

Abstract of the Disclosure An improved process for providing corrosion protection to ferrous metal substrates is disclosed. The improved process involves a first treating of the surface of the ferrous metal substrate with nitric acid followed by directly applying to the previously treated surface a zinc-rich coating composition. Upon curing the zinc-rich coating composition, an adherent electroconductive coating is formed. The coating provides excellent corrosion protection and since it is electroconductive, the coating is weldable and can accept a subsequent electrocoat.

306660

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