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Old 08-17-2015, 12:42 AM   #18
Capn Craig
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Join Date: Oct 2010
Posts: 519
Just an idea but it might be urethane. guessing in the 30 to 40 durometer range. This stuff is used for molding and springs. It is very tough and wear resistant. Take a look at this:
McMaster-Carr

Look at the product details and MDSS info. Not cheap to experiment with at $35 a can but I think it might do the job. It's just not a labelled application.
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