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topic 3200

Electrically conductive black finish


I am looking for a black plating finish for some zinc parts used in an antenna design. The finish should be electrically conductive and reasonably durable (similar to nickel plating). The black finish is required for cosmetic reasons. Can anyone suggest a process?

Owen Thistle
wireless technologies. - Canada


Many of the diamond-like carbon (DLC) are conducting if deposited by PVD. You might check Multi-Arc in Michigan.

jim treglio portrait
Jim Treglio
PVD Consultant - San Diego, California


Try to find a company that can do Black Chrome. This is a durable, conductive and very black finish used on solar panels and space components. Being electrolytic it can be difficult to coat complex shapes.

Trevor Amos
coating technology shop - Southampton, UK

See the banner ad in upper right corner for shops who offer black chromium plating.

Ted Mooney, Teds signature
Ted Mooney, P.E.
Pine Beach, New Jersey

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