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Dissolving aluminum

I am looking for a way to dissolve an aluminum casing off of a copper insert, without damaging the copper. Melting and cutting will damage the copper. Is there anything out there that will do this?

S Kirkham
hobbyist - Le Sueur, Minnesota, USA
2004

This can be done by dissolving the aluminum in concentrated caustic soda ⇦liquid caustic soda in bulk on Amazon [affil link] , but we don't know if you are trained and equipped to do this since it is a very dangerous chemical.

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
Need quick confidential answers? $25
Need project assistance? $100/hr.
2004

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