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[Fwd: Re: painting advice wanted- correction]

To: spridget list <spridgets@autox.team.net>
Subject: [Fwd: Re: painting advice wanted- correction]
Date: Thu, 20 Dec 2001 12:52:55 -0500
Sending again:  forgot about the trailer again.

-------- Original Message --------
Subject: Re: painting advice wanted- correction
Date: Thu, 20 Dec 2001 12:47:50 -0500
From Jim Juhas <james.f.juhas at SNET.Net>


Let me try.

Someone may have confused the vinegar neutralizing step with
another process.

Paint removers are caustic materials (compounds?) and those
are what are neutralized
by vinegar, or other acetic acids.  When prepping for
painting, it is quite common
to leave the residue, and I'm certain some acid, on the
metal.  The acid etching
primers are obviously leaving an acid on the surface as
well.

>From my reading and second-hand experience, the dipping processes are primarily
paint removing operations.  Perhaps caustic solutions can
also eat away rust... I
don't know about that.

Geoff Branch wrote:

> Vinegar is an acid.  How is neutralizing phosphoric acid?  Something is 
>missing.
>
> Geoff Branch
> '74 Meejit "Yellow Peril"
> '72 Innocenti 1300 Mini
> ----- Original Message -----
> From: "Bruce Lowry" <egnorant@flash.net>
> To: "Gerard" <pixelsmith@gerardsgarage.com>
> Cc: "Michel R. Gagne" <mgagne@unc.edu>; "spridget list"
> <spridgets@autox.team.net>
> Sent: Wednesday, December 19, 2001 1:22 PM
> Subject: Re: painting advice wanted- correction
>
> > Forgot to include: Vinegar is to neutralize the acid and should be
> > flushed, dried and scuffed before painting. phosphate coating will
> > retard rusting but is not a long term fix.
> > Bruce Lowry
> > Gerard wrote:
> > >
> > > In my opening sentence, I meant to say "I would strongly recommend _NOT_
> > > stripping to bare metal."
> > >
> > > ...regarding Mike's question, use phosphoric acid to treat stripped
> > > surfaces. However, do not paint over the treated metal without removing 
>the
> > > coating phosphoric acid leaves. You must clean and scuff to bare metal
> > > prior to starting the paint process.
> > >
> > > Gerard

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