Delrin or a Nylon PA66 both available in flat and round stock.
Just as a FYI, Delrin is DuPont's trade name for the more generic acetal.
DuPont also 'invented' Nylon but strangely didn't bother to register it as a nameJust as a FYI, Delrin is DuPont's trade name for the more generic acetal.
According to as story on the net . . .Oddly, DuPont never trademarked the word nylon. Because DuPont made a lot of materials that were used to make other products and not the products themselves they did not have a lot of control over the quality of the final product. If they trademarked Nylon and a company made poor quality stockings with the Nylon trademark, the poor quality would reflect on DuPontDuPont also 'invented' Nylon but strangely didn't bother to register it as a name![]()