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Old 03-12-2020, 11:43 AM
John Riepma John Riepma is offline
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Join Date: Apr 2003
Location: Grand Haven, MI
Posts: 518
John Riepma is on a distinguished road
The toolroom that I managed used to make aluminum molds for molding urethane edge worksurfaces that were heated during the process to 140F to cure the urethane. The molds would grow approximately .095" per 12" when raised from 70F to 140F.
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