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Zinc-Cobalt
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Zinc-Cobalt is one of the alloy
plating processes that have been developed recently
to replace cadmium and to provide enhanced corrosion
resistance. It has greater corrosion resistance than
zinc. In salt spray testing the coating will achieve
in the range of 500 hours to red rust. Zinc-Cobalt
like zinc can be combined with chromates and sealers
to increase corrosion resistance and improve the
appearance. Current method of application at Hohman
Plating is barrel plating.
Chromates used with Zinc-Cobalt are:
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