Primer is only a problem if you let it get wet. The body guy I have used
refuses to wet sand primer since, as David pointed out, it absorbs water.
You will get better performance if you use primer, but dry sand it and
cover with paint asap (after the recommended cure time).
Mike
-----Original Message-----
From: Lancer7676@aol.com <Lancer7676@aol.com>
To: ulix@u.washington.edu <ulix@u.washington.edu>
Cc: Andrew.Griffith@ReadRite.com <Andrew.Griffith@ReadRite.com>;
robert@woozy.com <robert@woozy.com>; spridgets@autox.team.net
<spridgets@autox.team.net>
Date: Friday, 12 February 1999 11:26
Subject: Re: special treatment??
>In a message dated 2/11/99 11:40:29 AM Eastern Standard Time,
>ulix@u.washington.edu writes:
>
><< I don't know if you guys are using primer or not.
> I sandblasted my steel rims, then painted with silver engine paint, then
> baked. The paint is not very durable, and (probably because I didn't use
> primer) the wheels are rusting. >>
>
>Ulix--
>
>Primer will enhance rust rather than inhibit it--unless it is the new epoxy
or
>urethane primer. The red oxide and the gray stuff are like sponges-they
will
>absorb and hold water thereby promoting rust. Methinks the fact that you
have
>rust speaks not well for the paint you used and/or the coverage you got.
>Paint is non permeable--wont allow water in if the seal is not broken, and
>there should be no rust--unless something happened to the paint seal.
>
>My pocket change!
>
>---David
>
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