Jim -- I had always heard that Lexan (polycarbonate) was generally much less 
resistant to UV exposure than Plexiglas (acrylic); has that improved in recent 
years?

Fred Street -- Minneapolis
S/V Oceanis (1979 C&C Landfall 38) -- on the hard in Bayfield, WI   :^(

On Dec 19, 2012, at 11:06 AM, Jim Watts <paradigmat...@gmail.com> wrote:

> Just as a FYI, flame polishing will shorten the life of your windows since it 
> stresses the material and starts micro-crazing at the edges. My choice for 
> material would be bronze 3/8" cast acrylic or Lexan. Lexan is more flexible, 
> stronger (and about 30% more expensive) but scratches more easily. 
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