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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

Picture of Peeling
The shiny surfaced sheets are revealed by peeling the protective layer from each side.
 
caitlinsdad3 years ago
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.
 A Scotchbrite Pad and a garden hose works on acrylic. Not sure if it would work on polycarbonate though.

Also, a finish sander would work better than a rotating disk sander. (No swirl marks.)
rimar20003 years ago
Very interesting, thanks for sharing!