Jacques Augustowski wrote:
>
> Well, if you are careful not to scratch use acrylic or Plexiglas. They transmit UV
> better than glass. Even if you have some minor scratches polishing will take care.
As far as I am aware, acrylic is excellent at blocking UV. Plexiglas
will block and absorb UV and turn yellow (and darken). I am not aware
of the type of Plexiglas (if that is what it is) that Judy mentions.
There are however some plastics that do transmit some UV.
-- Jeffrey D. Mathias http://home.att.net/~jeffrey.d.mathias/
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