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Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ

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Stripping of Nickel Plating from Neodymium magnets

Q. We have been asked to strip and replate some electromagnets manufactured from Neodymium (NdFe). These magnets were electroless nickel plated by another firm and are now peeling. Our concern is whether or not this material (NdFe) might be damaged during the stripping process. What stripping solution might be employed?

Alan Cooper
- Dallas, Texas
1998

A. I have stripped rare earth magnets in a two part electroless Ni strip , without any ill effects. Just make sure it's in a non-magnetic tank . The strip was at 60 c and is immersion type from a local supply house (possibly Udylite on your side ) .

Dave Brackenridge
aerospace plating - Germiston, South Africa
1997

A. Please also see our FAQs on Stripping of Electroless Nickel, Alan, which may be of some help. Good luck.

Regards,

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
1999

Q. I am Trying to remove Ni plating from NdFeB magnets. please suggest some process for 1 kg material. It's for my Master's program.

Janaki Ram
- Visakhapatnam India
December 7, 2017

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