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topic 7260

Sulphamate Nickel Grain Refiner


Is there a grain refiner for nickel sulfamate solution?

Veronica Dewis


Sure, Veronica ... although the suppliers tend to call the additive for sulphamate nickel "hardener" rather than grain refiner. See if that term gets you rolling. Good luck.

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


Another way to reduce grain size is to use a pulse plating or periodic reverse type of rectifier.

Pat Mentone
Pat Mentone
St Paul, Minnesota


Hi, there is a Pulse Reverse NickelChloride which gives finer grains than Sulphamate Nickel. Bath composition is cheaper than Sulphamate, no additives needed.

Lars B. Andersen
- Denmark

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