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Function of stabilizer in Electroless Nickel Plating

Q. What are the functions and mechanisms of stabilizer (like Lead, Molybdenum) in Electroless Nickel Plating?

Cia Ming Thong
Industrialist - Kuching, Sarawak, Malaysia
May 18, 2010

A. To keep it from self destruction or gross plating out on the heaters/tank.

James Watts
- Navarre, Florida
May 19, 2010

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A. Indeed, as said before, a stabilizer has many purposes. The main purpose is in the word itself, to stabilize the solution and prevent if from decomposition. Another reason is for uncontrollable plating, which mostly happens before the bath decomposes. And another reason is, for example 'lead', is to give the coating a more shiny look. When your parts are having a dull grey look, you can add a lead to create a more shiny surface.

Harald Machiels
- Genk, Limburg, Belgium
January 12, 2011

A. Hello Cia.

Many proprietary electroless nickel baths have been reformulated in the last few years to no longer use cadmium or lead as stabilizers, because those ingredients can render them not RoHS-compatible. Good luck.


Ted Mooney,
Ted Mooney, P.E.
Striving to live Aloha - Pine Beach, New Jersey
June 18, 2012

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