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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
Ted is available for instant help
or longer-term assistance.
2004
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