[Spridgets] a rad cola

[dlancer7676 at comcast.net]

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 at 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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