1, MX-ZN-D-51C is a trivalent chromium color inactivation agent on the zinc-nickel alloy coating, the raw liquid completely free of hexavalent chromium. 2, in the zinc-nickel alloy plating on the appearance of the color passivation film. 3, excellent corrosion resistance, coating 8 micron neutral salt spray time 240 hours or more. 4, built a small bath, bath stability, wide operating range, easy to produce. |