Comparing Copolymer Acetal and Dupont Delrin Homopolymer in Sheet and Rods
Homopolymer Acetal or Delrin is the best plastic for turning on a machine lathe. It is pretty easy to turn, but it requires reduced speeds. I use this stuff to make Scottish small pipes chanters. I have purchased countless items from a plastic shop in Anaheim. Small pieces usually ship quickly and everything is always well packed. I’ve never had a problem with an order.
Between the Delrin and POM-C rods, both materials are exceptionally tough and easily machinable, and they have similar 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 on your application. As with all plastic materials, make sure to check the typical properties data sheet for the appropriate properties you may need for your application.
Our Acetal Sheet is probably our primary material for machining,giving an excellent finish both on manual and CNC Machines. Its got a pretty low moisture absorption making it the ideal grade for food contact and where the dimensional stability is critical. Acetal Sheet has the best combination of high mechanical strength, durability and toughness, giving it outstanding sliding properties, electrical insulation, and wear resistance.
Acetal Sheet has many uses and is certainly of value in the food preparation industry. Because of its low moisture absorption it helped it to achieve Food & Drug Administration approval along with 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 auto industry because of its long lasting dimensional stability and toughness. It offers 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 quite because the low moisture absorption results in components that will not expand or change dimensions due to contact with water.
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