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Old 08-09-2009, 10:44 PM   #39 (permalink)
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You haven't hand-formed polycarbonate, then. Unlike forgiving acrylic, poly needs to be heated up gradually and evenly, but it also tends to dissipate the heat quickly. Too much heat causes blistering and too little gets you nothing. Simple, small bends aren't terrible, but sharp bends or compound curvature can be difficult. I've worked with both and I definitely prefer polycarbonate for its much better machinability and impact resistance and that you can weld it (acrylic can only be glued as far as I know), but for complicated heat forming, like for sculpture, acrylic is the way to go. For a car application where it will see rocks thrown at it and the forming required is generally simple, polycarbonate's a definite winner.
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