Quote:
Originally Posted by strictlypersonl
Lexan® > Polycarbonate
Plexiglas® > Acrylic
Completely different "alloys" of plastic. In general, acrylic has better optical qualities than polycarbonate, which is softer and tougher. You can get hard-coated polycarbonate with better wear and optical qualities.
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yes your right.....see what age does...

age affects your 'P's
as far as drilling either the same applies...as the drill point goes through, the lands of the drill tend to put the undo stress on the material.
on thin plastic i like to plunge out holes with an endmill or circle mill the hole in......