RE: [T3] Inner Fender Painting

[Jim Adney <jadney@vwtype3.org>]

On 20 May 2004 at 8:11, Kevin Guarnotta wrote:

> I thought acetic acid would be similar to phosphoric acid which is what is
> in all those rust eaters. Stuff like naval jelly....

I think the phosphoric acid treatment of metals may also include other 
chemicals, but I'm not sure. At any rate, it seems clear that if any acid would 
work they wouldn't specify phosphoric. IOW, I think there's something special 
about what phosphoric acid does to ferrous metals. It may also have something 
to do with the particular by-products left behind and how these react with your 
primer.

> I think acetic acid and vinegar are the same, aren't they?

Right.

-- 
Jim Adney
jadney@vwtype3.org
Madison, WI 53711-3054
USA

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