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Chromium electroplating industry facts for uni project


Hello, I am doing some research for a mini-project at uni on the chromium electroplating industry and I need some information on plating baths : what they are, what chemicals are used in them, how long the electroplating process actually takes, etc...I have not been able to find out these basic facts, although there is a lot of really technical stuff on the net. Any help anyone can offer will be greatly appreciated. Thank you.

Bethany Mason
- Bangor, Gwynedd, UK
1999


The conventional bath: Chromic acid (CrO3) 28 oz./gal (U.S.), 0.28 opg sulphate ion (100:1 ratio)
110 degrees F, 100 Amperes/square foot cathode current density, lead anodes, three minutes plate over bright nickel for a few millionths of an inch of decorative plate.

Best wishes,

tom pullizzi monitor   tom pullizi signature
Tom Pullizzi
Falls Township, Pennsylvania


Hi, Bethany. You may also find our Chrome Plating FAQ helpful to give you a quick understanding of the different types and applications, and to clarify Tom's reference to nickel plating.

Regards,

Ted Mooney, finishing.com
Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
(Ted is available for instant or longterm help)

 February 26, 2009




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