Tin over zinc plating
Would like to know the comparison of Tin plating on Copper against Zinc plating in mechanical and electrical characteristics
The question is: Comparison of Tin plating over Zinc plating over copper for connector , d-sub, electrical terminal contact portion. Is Zinc plating better than Tin in certain aspect? or any other advises you have?
Industrial Supplies - Singapore
Zinc plating is a sacrificial coating, designed to corrode. It is not a suitable contact material.
Ted Mooney, P.E.
Pine Beach, New Jersey
You do not plate tin over zinc as it is porous. You do not even plate tin on brass. You need an underlayer of copper or nickel.
chemical process supplier
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