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[VAC] Re: Polishing Aluminum Tanks
Jim. Polishing compounds usually have a very fine pumice, and that's why they
polish. Sandpaper on the other hand, cuts, and therefore is considered
abrasive, as it does not polish. To cut into an aluminum tank with sandpaper,
and then follow it up with a polish, will reduce the effective thickness of
the material. It is for that reason, that AGA says, No.
Andy