Plastic Professionals compare Copolymer Acetal and Homopolymer Acetal in Round rods or sheets and plate
Why Dupont Delrin 150SA is a great plastic for turning on a CNC lathe lathe. It’s pretty easy to turn, however it requires slow speeds. I use this plastic to make Scottish small pipes chanters. I have bought numerous items from iPlastic. Small pieces usually ship promptly and everything is always 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 the same, but in practical uses 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 desired properties you may need for your application.
Our Acetal Sheet is probably our choice material for machining,as it gives an excellent finish both on manual and CNC Machines. It has a pretty low moisture absorption making it the usual grade for food contact and where the dimensional stability is critical. Acetal Sheet has an ideal combination of high mechanical strength, durability and toughness, giving it outstanding sliding properties, electrical insulation, and wear resistance.
Acetal Sheet has numerous applications and is especially valued in the food preparation industry. Because of its low moisture absorption it gained Food & Drug Administration approval and its superb sliding abilities which help with very low friction and hard wearing food safe components.
Acetal Sheet is one of the plastics chosen within the auto 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 Acetal is in marine applications. This environment suits acetal well because the low moisture absorption will result in components that won’t expand or alter dimensions due to contact with water.
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