[Spits] Primer Vs Etch Primer?

[celiracer81 at hotmail.com]

In terms of finding a chemical used to "convert" rust, I have found Naval
Jelly to be quite effective.  Found at local NAPA auto parts stores and
various others, it is a jelly that you just brush onto bare metel and then
wash off.  I have used it on the body of my spitfire with great results so
far.  Just head the warnings about not inhaling the fumes.  I speak from
experience, you don't want to be that sick.

Dave Mayer
'68 Spit

> Date: Sun, 27 Jul 2008 18:38:51 -0700> From: doug at dougbraun.com> To:
nmoseley at dccnet.com; nass at yahoogroups.com;
spitfire-enthusiast at yahoogroups.com; spitfires at autox.team.net> Subject: Re:
[Spits] Primer Vs Etch Primer?> > Etch primer is meant for bare metal. It is
supposed> to etch the metal a little bit so that the primer will> have a
rougher surface to stick to. It is not> generally meant to do anything for
rust.> > I have tried some of the Dupli-Color self-etching> primer, but it has
a lot of filler, so it is not very> hard or strong. I tried painting some
chassis parts> with it, followed by black epoxy enamel, and I found> they
chipped very easily.> > BTW, I once bought some Rust-Oleum "Rust Reformer">
spray paint, which is supposed to "instantly convert> rust to a protected,
paintable surface!" I sprayed> some on a rusty piece of metal, an later I
could> scrape it off and find the rust still underneath. It> did not seem to
behave any different than normal spray> paint.> > I have also seen those
milky-looking water-based> products that neutralize the rust and turn it
black. > That's fine, but afterwards you have a latex-based> primer on your
car. Is that really a good idea?> > I am pretty cynical about any product that
is supposed> to be painted over rust and make it effectively go> away. I am
working on restoring a '31 Ford, and I> sandblasted and soda-blasted the body
and chassis to> bare metal and used 2-part epoxy primer. But to do> this, I
had to take the car totally apart, and it's> taken about 2 years so far.> >
For my Spitfire, when I notice some of the original> paint peeling off of the
chassis, I take out my> trusty can of Hammerite and touch it up...> > Doug
Braun> '72 Spit> > --- Nick Moseley <nmoseley at dccnet.com> wrote:> > > My
question is: what is the difference between> > "regular" primer, and "etch"> >
primer? I saw a show recently where they sprayed on> > etch primer in the> >
expectation that it would neutralize surface rust,> > and leave a primed> >
surface. It was an Eastwood product, but I see Etch> > primer for sale at my>
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