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Chrome misplate



2002

Is it possible for less than specify bright nickel thickness on parts to cause chrome misplate? (for example nickel spec. is 25 µm , actual nickel thickness 18 µm .)

popat patel
Popatbhai Patel
finishing shop - Roseville, Michigan


First of two simultaneous responses -- 2002

No, I don't think that's the problem. Plate a Hull cell panel with 18 microns (or less) of nickel, then plate it with your chromium solution and tell us what happened.

Ted Mooney, finishing.com Teds signature
Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey


Second of two simultaneous responses -- 2002

The lesser thickness is not the problem. Look for something else..!

Khozem Vahaanwala
Khozem Vahaanwala
Saify Ind
supporting advertiser
Bengaluru, Karnataka, India
saify logo


2002

I would look at inproper activation or excessive brightener.

James Watts
- Navarre, Florida


2002

Popat,

Adding to previous responses, the same reason that caused the thin nickel could be causing the chrome misplate as chrome has less throwing power. So, I would look for anode placement, part geometry, time in bath, voltages, etc. By the way, you didn't mention the substrate.

Guillermo Marrufo
Monterrey, NL, Mexico

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