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Subject: reworking polypropylene
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Date: 01/29/02 at 9:32 PM
Posted by: Leo
E-mail: nick75p1n@yahoo. com
After machining several 1in.pockets aprox. 1/8 deep into a flat sheet of polypropylene, the material cupped and warped. The sheet measures 20in.x 20in.x 3/4 thk. Is there any way to work this material so it lies flat again? Any improvement to the flatness would be a great help.
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