[Shop-talk] Removing/re-using badges
Doug Braun
doug at dougbraun.com
Mon Jul 14 21:48:03 MDT 2008
Also, certain paints need to be thinned (or have their
brushes cleaned) with xylene instead of normal paint
thinner. For example: Hammerite or Zero-Rust (both
great paints, BTW).
Doug
> Most of the petroleum based adhesive removing
> solvents are built
> around the same basic solvents. The base is xylene,
> which attacks a
> fair number of adhesives, but not all, and is a very
> effective
> degreaser. Xylene is typically about half the
> product, ranging up to
> 75% in some. The next ingredient in most formulas
> is "naptha", which
> is a vaguely defined bunch of hydrocarbons. The
> good expensive
> products (like 3Ms) are probably using a small
> number of particular
> chemicals; cheaper stuff is using it by density and
> boiling point.
> Napthas are 20-50% of the product, depending. The
> rest of the stuff
> depends on the particular product. Common
> ingredients include
> ethlybenzene (which is often present in
> solvent-grade xylene, so it
> may be there in pretty high percentages, even if
> it's not listed on
> the MSDS), benzene, toluene, heptane, and more.
>
> Depending on where you live, you may be able to get
> xylene at the
> hardware store. (The home depot here sells it in
> gallon cans, for
> about 10 bucks (well, it's probably 20 these
> days...)) It's worth
> trying before you go for an expensive preparation,
> because it works
> about 80% of the time, and is much cheaper.
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