Method for inhibiting corrosion of metal imbedded in concrete

Details Method for inhibiting corrosion of metal imbedded in concrete Method for inhibiting corrosion of metal imbedded in concrete

C - Chemistry, Metallurgy

23

F

C23F 13/02 (2006.01) C04B 41/46 (2006.01) C04B 41/50 (2006.01) C04B 41/53 (2006.01) C04B 41/62 (2006.01) C04B 41/65 (2006.01) C04B 41/72 (2006.01) C23F 11/00 (2006.01)

Patent

CA 2134867

The corrosion of ferrous-based metals imbedded in concrete containing a chloride is inhibited by drawing the chlorides away from the metal, and then applying a composition containing ammonium carbamate or ammonium carbonate to the concrete. An agent may be added to the solution to prevent any calcium hydroxide contained in the concrete from precipitating the corrosion inhibitor.

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