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Letter 38072
Smallest substrate material thickness for
chrome plating
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I need to know what is the smallest substrate material thickness
possible for chrome plating without warping. The piece that i need to
chrome plate is 3.0mm wide X 76.0mm long X 1.0mm thick. Is this
possible?
Tim Brown
iPod accessories - Nashville, TN
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Decorative chrome plating is actually a heavy layer(s) of nickel
plating followed by less than 40 millionths of an inch of chrome.
Although the chrome is highly stressed, it is so thin that it has
little ability to warp anything. The nickel can, however, be
stressed. I don't think it's going to be a problem, but I suppose
there is that possibility if things are not carefully specified.
Suppliers will usually plate a few samples for you at no cost.
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Ted Mooney, P.E.
finishing.com
Brick, New Jersey
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First of two simultaneous responses -- +++++
Hard chrome or decorative? Is electroless nickel an option? It
fingerprints more than chrome. What is the substrate? what is the
function of the chrome?
Aactually, the thickness is not bad considering the length and the
width. You might need to bake at 400F before and after plate to
reduce stress a small amount.
James Watts
- Navarre, Florida
Second of two simultaneous responses -- +++++
Adding to what Ted said above, you may use a high purity sulfamate
nickel solution and the stresswill be very low.
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