Delrin® is a material that is very similar to Acetal copolymer. Delrin is available in the standard natural (white) and black. Delrin does come in more colors, but those are generally run as a custom order. Delrin is FDA, USDA, and NSF approved in both the natural & black.
Some of the attributes of Delrin are that it is easily machined and has a low moisture absorption. It also has a 185°F continuous use temperature. Compared to Acetal copolymer, Delrin is harder, stronger, has improved mechanical strength, stiffness, creep resistance, a lower thermal expansion rate and offers higher crystallinity.
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