Originally Posted by
Dan Fromm
Steve, acrylic is hygroscopic, will take up water from the air. Probably not a problem with y'r camera because the relative humidity is the same on all sides of y'r bits of plastic, but the reason that acrylic sheet makes a very bad aquarium cover. The water side takes up more water than the air side and the sheet warps badly.
But acrylic is less impact resistant than polycarbonate. Have you considered using polycarbonate instead of acrylic? I mean, both are equally machinable ...
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