Plastic Professionals compare Dupont Delrin and Acetal Copolymer in Round rods or sheets and plate

Reasons Dupont Delrin 150SA is the perfect plastic for turning on a CNC lathe lathe. It is simple to turn, but it does require reduced speeds. I use this stuff to make Scottish small pipes chanters. I have ordered numerous items from iPlastic. Smaller pieces usually ship promptly and everything was well packed. I have never had a problem with an order.
Between the Delrin and Acetal rods, both materials are incredibly durable and easily machinable, as they have very comparable physical properties. They do look similar, but in practical use there are some differences that may make one better than the other. It also depends heavily on your application. As with any plastic materials, be sure to check the typical properties data sheet for the applicable properties you may need for your application.
Our Acetal Sheet is probably our best material for machining,as it gives an nice finish both on manual and CNC Machines. It has a very low moisture absorption making it the usual grade for food contact and where the dimensional stability is critical. Acetal Sheet has the perfect combination of high mechanical strength, hardness and strength, giving it excellent sliding properties, electrical insulation, and wear resistance.
Acetal Sheet has countless applications and is particularly valued in the food preparation industry. Because of its low moisture absorption it helped it to achieve Food & Drug Administration approval and its excellent sliding abilities which aid with very low friction and hard wearing food safe components.
Acetal Sheets are of the plastics used within the automotive industry because of its long lasting dimensional stability and toughness. It provides solutions for designers to help them create long lasting and very durable components. Another popular area for sheet Acetal is in marine applications. This environment suits acetal well because its low moisture absorption will result in components that will not expand or change dimensions due to contact with water.

Acetal Copolymer

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