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Delrin vs PVDF for Epoxy

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swall

Materials
Sep 30, 2003
2,762
US
I am coating the inside of some steel tanks with epoxy and I need to plug the threaded outlet holes during the process. I was thinking either Delrin or PVDF. Will epoxy release from these? I don't want to use Teflon because of the cost.
 
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Delrin will NOT release from epoxy.
I don't think it will release well from PVDF, either.

But polyethylene and polypropylene will both release nicely, and they're much cheaper, not least because molded pipe plugs are available in most sizes, so you don't have to pay for machined versions.




Mike Halloran
Pembroke Pines, FL, USA
 
Thanks, Mike. I was thinking polypropylene, but couldn't find any in McMaster-Carr until I searched in a different section. Yes, they are dirt cheap.
 
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