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Passivation procedure for Electroless Nickel

What is the best passivation procedure for Electroless Nickel ? Can ENi protect against corrosion from Liquid PVC? Thank you for your help.

Enrique Segovia
- Mexico
1999

Dear Mr Enrique, You can try to passivate electroless nickel in potassium chromate 110-120 °F or sodium chromate in 110 °F directly after electroless nickel hold in the bath 1-2 minutes. Regards,

Anders Sundman
4th Generation Surface Engineering
Consultant - Arvika,
Sweden
1999

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