Our Acetal Sheet is definitely our choice material for machining,as it gives an nice finish both on manual and CNC Machines. It has a pretty low moisture absorption making it the preferred grade for food contact and where the dimensional stability is important. Acetal Sheet has the best combination of high Acetal versus Delrin mechanical strength, durability and strength, giving it excellent sliding properties, electrical insulation, and wear resistance. Delrin is the best plastic for turning on a CNC lathe lathe. It is pretty easy to turn, but it requires slow speeds. I use this stuff to make Scottish small pipes chanters. I have bought countless items from iPlastic. Smaller parts usually ship promptly and everything is always well packed. I’ve never had an issue with an order. Between the Delrin and POM-C rods, both materials are very tough and easily machinable, and they have similar physical properties. They appear the same, but for practical use there are some differences that may make one better than the other. It also depends heavily on your application. As with all plastic materials, make sure to check the typical properties data sheet for the applicable properties you may want for your application.
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