Stress Reducer

Are there any non-proprietary stress reducers that can be used in a nickel sulfamate plating bath?


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Q. Are there any non-proprietary stress reducers that can be used in a nickel sulfamate plating bath? —M.P.

A. There are many additives that can be used to reduce stress in a nickel sulfamate plating bath. The key component of all of them is an organic molecule containing a sulfur atom. 
Some examples of stress-reducing additives are saccharin and the sodium salts of naphthalene trisulfonic acid and dibenzene sulfonic acid. I suggest you work with your chemical vendor to obtain the best additive for your particular bath.

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