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topic 1348

Stripper for electroless nickel


(1998)

I am looking for a stripper solution to strip electroless nickel from a 40 carbon alloy steel.

Mandar Sunthankar
- Fort Collins, Colorado


(1998)

We use a product from Fidelity called 3136. It takes about an hour at 200 F to strip 150-200 microinches of high phos electroless. If this seems excessive, you must realize that high phos electroless will show no effect whatsoever after a 30 second nitric acid dip.

This stripper leaves underlying copper plate untouched. It is an alkaline material with nitrobenzoic acids and ethylene diamine so waste treatment is a nightmare. Fortunately we have little need for it most of the time.

I am sure other vendors also have similar products.

bill vins
Bill Vins
microwave & cable assemblies
Mesa (what a place-a), Arizona 


(1999)

Please also see our FAQs on Stripping of Electroless Nickel.

Regards,

Ted Mooney, finishing.com Teds signature
Ted Mooney, P.E. RET
finishing.com
Pine Beach, New Jersey



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