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
The conventional bath: Chromic acid (CrO3) 28 oz./gal (U.S.), 0.28 opg sulfate 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.
February 26, 2009
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.
Ted Mooney, P.E.
Pine Beach, New Jersey
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