> > I do.  But epoxy isn't the best choice - there are some
> > REALLY hard opaque potting compounds available that are
> > virtually impossible to get through without destroying the
> > contents.
> >
> > -Will
>
>   Are any of these, X-Ray opaque as well?  (I'd love it, may end up
> putting lead shavings in one project otherwise - Dang Customer
> Requirements...)
>
>   Mark, mwillis@nwlink.com
JB Weld epoxy(availible at any auto store) contains steel shavings.
Don't know if it is
enough to block X-Rays.
I have seen mention of epoxy dissolving chemicals used by the satellite
TV hackers.