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Delrin in not the same a UHMW. It's more Nylon like but it is a type of Acetal. It's hard and has no give to it. Unlike UHMW, it is more stable due to moisture and temperature changes. UHMW grows and swells like crazy. It has very good wear properties, UHMW does too but Delrin is better. It makes great chain guides and other wear surfaces. One of the self lubricating versions is called Nyoil.


Well, Delrin and UHMW seems to be always stored in the same rack everywhere I have been, I assumed (my bad) it was basically the same dog with two different trademarks. Still wouldn't be worth a bag 'o' beans as a cush replacement. Paper and pulp mills use the heck out of both, for caustic resistance. I have a pile of the stuff in every color and application, that was given to me , anybody want some, let me know, it's taking up useful real estate.