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topic 9157

Double Chrome


We have been told of a finish called "Double Chrome". We run an electroplating shop but have never heard of it. Do you know what it is?

Tony Smale
Cambrian Engineering Co Ltd - New Plymouth, New Zealand


Just a theory, but . . .

Since 'triple chrome plate' is apparently a Madison Avenue term for semi-bright nickel, bright nickel, chrome, then double chrome probably means a less expensive finish that lacks the semi-bright nickel.

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


Double chrome is a plating process where the process is stopped half way through, and then started again from the beginning. The advantage being that the second time the process starts you achieve an overlay of the chrome plate already adhered to the product which results in a finish that is more resistant to penetration of humidity and will give superior results when salt spray tests are carried out for the same layer thickness applied in one go.

Best Regards,

John Pickering
- Noordwijkerhout, zuid Holland, Netherlands


Thank you, John. Is there any published literature on this process?

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

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