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topic 17273

How to remove rust but not paint?


2002

I want to remove the rust from a part made of mild steel which is only partially rusted. I do not want to remove the paint from that part of the surface which is not rusted. I will not mind if it gets removed partially. How should I do it? Can I try applying 10% nitric acid solution by brush on the rusted surface? Or shall I try applying phosphoric acid? Currently the only way I know is to remove mechanically, i.e., by scrubbing by emery paper/ sander. Parag P Khedkar

Parag P Khedkar
- Nashik, Maharashtra, India


2002

The phosphoric acid sounds like a much better idea than the nitric acid.

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



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