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topic 6249

Hardness in nickel sulfamate plating


we want to know how to increase hardness in nickel sulphamate plating (deposit of thickness 20 microns.) we need 500 vickers. is it possible to get this hardness? please give suggestions.

- coimbatore , TN, INDIA


Yes it is possible to plate Nickel from a Sulphamate solution with 500 HV, contact your seller of additives, he can help you.

Best regards


Marcus Hahn
- Sachseln, Switzerland


Try adding sodium saccharin; anything between 0.25 and 5g/l will give suitably hard deposit. However, you may need to add stress relievers, so speak to your supplier

trevor crichton
Trevor Crichton
R&D practical scientist
Chesham, Bucks, UK

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