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Ted Mooney, P.E. RET
Pine Beach, NJ
The authoritative public forum
for Metal Finishing since 1989
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Magnesium salts for whiter nickel plating
Dear Sirs
Is it possible to get a whiter finish from the Watts nickel plating bath? We are barrel plating small steel and zinc die cast parts for a customer who is requesting us a whiter nickel finish. Is there a way to get this using our actual nickel bath? We have been told that adding magnesium salts, increasing nickel chloride, boric acid and leveling agent would help, but we prefer the advice of You, the experts.
Thank you very much for your suggestions.
plating shop employee - Bogota, Colombia
March 31, 2011
There are many references that confirm that magnesium salts increase the throwing power of Nickel electroplating process.
Gabriel SchonwaldBnei Berak, Israel
May 7, 2011
First dummy out (electrolytically purify out) the apparent zinc contamination and the color will get "whiter".
Robert H Probert
Robert H Probert Technical Services
Garner, North Carolina
May 9, 2011
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