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Antique Radio Technical Forum
Warped plastic parts

Posted by Marv Nuce on 04/20/2009 00:00

Earl,
If you're sure it's plastic, be careful with the heat. Depending on the age, may be celluloid, which I believe is a product made from plant matter. Might try Googling an appropriate subject matter. Some on this forum have had success bleaching what seems to be celluloid, but flattenning, I don't recall. I would think a very hot water bath, and then clamping between 2 pieces of glass surfaces might help. Even low temp in an oven would heat the whole piece, and avoid warping from the application of uneven heat from a heat gun or similar device. Might even apply the clamping with glass before heating in an oven.

marv

:I have a nice old Cromwell radio that has a wood case and a plastic front. The plastic is not broken, but it is pretty warped. Is there any way to straighten it out? I thought of heating it VERY gently and clamping it, but I'm not sure.
:Thanks.



Warped plastic parts 
earl 04/19/2009 21:35 
Warren 04/19/2009 23:07 
Marv Nuce 04/20/2009 00:00 
Earl 04/21/2009 18:13 
earl 04/21/2009 18:17 
Marv Nuce 04/21/2009 22:14 
George T 04/21/2009 22:15 

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