[Boatanchors] "Rust Converting" Paint- Good? Bad?

[Gerry Steffens]

I have been using various converter products, both sprays and liquid paints,
for decades in classic auto restoration and preservation with excellent
results.  The most common usage I have is to disassemble the doors of newly
acquired used or restoration, older cars , clean out the bottom of the doors
inside the skins (and outside) and treat these areas with converter, a
Rustoleum type primer and paint.  I have never had a problem of rusting out
again.  Currently I have a 31 year old auto that is not in the protected,
garaged, collection but driven daily, at 290,000+ miles.  It has set outside
its whole life and shows no sign of rust.  Oh, yeah, I live in the winter
salt haven called Minnesota, traveling in a metro area.

One thing I recommend is clean out as much rust as possible.  It seems you
never get it all, even if you see bare shiny metal.  I learned the latter
with late 70s and early 80s GM cars with primer failure, promoting the
common silver dollar sized rust spots observed on many doors and quarter
panels.

Gerry


-----Original Message-----
From: boatanchors-bounces at mailman.qth.net
[mailto:boatanchors-bounces at mailman.qth.net] On Behalf Of David Stinson
Sent: Sunday, April 07, 2013 7:34 AM
To: milsurplus at mailman.qth.net; boatanchors at theporch.com;
boatanchors at mailman.qth.net
Subject: [Boatanchors] "Rust Converting" Paint- Good? Bad?

I've recently been told that "rust converting" paint- paint that claims to
chemically "fix" and stop rust, converting, sealing and bonding it within
the paint lattice, actually makes rust worse over time.

Anyone have any hard information on this?


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