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I find that 99.95 % pure isopropyl alcohol works well.
Bit expensive & evaporates rapidly but well worth it.
Ask at your local chemist shop.
Tell them that you're an "AA", (hahahaha), & what you want it for, as they are reluctant to sell it.
Need a really good reason.
Do not use rubbing alcohol, as it contains way too much oil.
Seasons Greetings.
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