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Richard, We use USG pink board or Dow Blueboard
insulation, with R-10 insulation value to insulate our “Severe Duty”
crates. You could additionally line the inner case with Marvelseal or a similar
reflective liner – household “Space blanket” insulators reflect
better than 95% of radiant energy in BOTH directions. From a reliable source, I also understand
that pink board and blue board have passed Oddy tests. Also, if you’re short on time or
suppliers, both Ethafoam and Ester polyurethane foam have very similar
insulation value to pink board and blue board. Foamcore would likely also work
well, better than Plexiglas, which being denser would be more of a conductor
than an insulator. Geoff From:
pacinlist-bounces@pacin.org [mailto:pacinlist-bounces@pacin.org] On Behalf Of Hinson, Richard I'm looking for
information about making climate-control boxes for traveling a small painting
on wood panel. Have any of you out there ever used plexiglass boxes that
can be sealed as inner boxes when shipping delicate art? Is there an advantage
to using plexiglass over 1/2 inch thick corrugated plastic? Are there better
materials to use other than these? Richard Hinson |