I did this at TechShop Menlo Park. http://www.techshop.com

These large sheets of polycarbonate are to be sanded down for a frosted effect to be used in the construction of large art light-boxes.

Step 1: Peeling

The shiny surfaced sheets are revealed by peeling the protective layer from each side.
Have you tried using solvents and potscrubbers to haze the plastic? But then I don't know what is worse, getting dusted with plastic micro particles or breathing in chemical vapors.
&nbsp;A <a href="http://www.scotch-brite.com/wps/portal/3M/en_US/Scotch-BriteBrand/Scotch-Brite/Products/Product-Catalog/~/Heavy-Duty-Scrub-Sponge?N=5941628&WT.mc_id=SE_usSB_exact_scotchbrite&WT.seg_4=22748873871&WT.srch=1&rt=rud" rel="nofollow">Scotchbrite Pad </a>and a garden hose works on acrylic. Not sure if it would work on polycarbonate though.<br> <br> Also, a finish sander would work better than a rotating disk sander. (No swirl marks.)
Very interesting, thanks for sharing!

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