I thought I should mention that the "active ingredient" in the Wattyl
paint stripper is Methyl Chloride. It would seem reasonable that
a brand that also included this (nasty) stuff would also 'dissolve' the
tarry undersealer.
Mike
-----Original Message-----
From: Mike Gigante <mikeg@vicnet.net.au>
To: mgs@autox.team.net <mgs@autox.team.net>
Date: Friday, 19 March 1999 16:00
Subject: removing underbody sealer
>I seem to recall a discussion of this list recently about the
>difficulty of removing the tarry underbody sealer used on our
>cars.
>
>Well, I thought that I'd report that Wattyl Auto Paint Stripper
>softened this stuff very quickly and within a few minutes I was
>able to scrape 99% of the paint and tar out of a wheel well I
>was testing it on. This stuff is pretty nasty so I used a respirator
>and gloves. On a small area of forearm I hadn't covered properly
>I could feel the stuff within 2 or 3 seconds of it touching the skin.
>
>
>As an alternative, I used my pressure blaster (3500 psi) with a
>sand blasting attachment on the opposite wheel well. It too removed
>*all* the stuff with just 20 or 30 seconds of blasting from 2 or 3 feet
>away.
>
>Aside from getting wet and covered with sand, the latter was faster
>and easier. It also left bright clean metal.
>
>I can justify my blaster for the farm, but it is a bit too expensive to
>buy just to do the car! However, I'm sure you could hire one from
>a large industrial hire company.
>
>Mike
>
>
>
>
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