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topic 2542

Corrosion Comparison chart


I need a comparison Chart for Salt Spray tests on the following coatings, at commercial thickness, that will show average hours to corrosion or red rust. The coatings in question are: Zinc plating with clear chromate- .0002 to .0006 thickness, Electroless nickel- .0005 thickness. Hard Chrome at .0002 to .0006 thickness, and Cadmium plating- .0002 to .0006. Whatever help anyone could give me would be appreciated.

Dave McKay


If you have technical information about corrosion, please respond.


Samuel Perez Granados
- Mexico City, Mexico

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