Well guess what? It is the phosphoric acid in coca cola that makes it so
effective as a cleaner. 8^)
--David C.
WOULD A FLY WITHOUT WINGS BE CALLED A WALK?
-------------- Original message ----------------------
From: "Glen Byrns" <grbyrns@ucdavis.edu>
> Seriously,
>
> For rust removal on steel (besides gas tanks and radiators) I prefer
> phosphoric acid. I've been stripping the new Morris project frame and
> bodyshell of light surface rust and then wiping down with a phosphoric acid
> primer/prep. NO rust remains to be trapped under the etch-primer and no
> need to discuss the short-comings of POR15. The phosphoric acid converts
> the surface rust back to iron and leaves the parts with a mottled
> black/white finish that can be painted over with primer. Its nice to know
> that there isn't a patch of rust sleeping under the paint waiting to bloom
> in the spring.
>
> Glen Byrns
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