Acrylic is commonly known as Plexiglas. Same stuff as used in aircraft windshields, canopies and windows.
Polycarbonate is also known as Lexan. Used in motorcycle helmets, most motorcycle windshields and safety glasses.
Polycarbonate is much tougher than acrylic, but it is nearly impossible to remove scratches from polycarbonate.
With regards to polycarbonate's chemical resistance, I had a crack develop in one of the lenses of my PC eyeglasses. When I was getting new glasses, the optician looked at my old glasses and asked "did you use Loctite on your screws?". It turns out that one drop of loctite on PC will cause it to crack.
You can get sheets of acrylic that have a layer of some sort of plastic sandwiched in the middle. This stuff doesn't break as easy as regular acrylic, but it's much cheaper than Lexan.
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Today's Featured Article - Sunday Drives - by Cowboy. Summer was finally upon us here in Northern Maine. We have two types of industry up here, one being "Forestry" (Wood Products) and the other "Farming" (Potatoes). There is no shortage of farm tractors and equipment around here! I have been restoring old Farm Tractors for the past 6 years, and have found it easier and less expensive to hit all the auctions and purchase whole tractors for parts needed. My wife who works at a local school, and only has weekends and summers off, while on t
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