What the difference between Acetal Copolymer and Dupont Delrin in Sheet or Plate and Round Rod
Homopolymer Acetal or Delrin is the perfect plastic for turning on a CNC lathe lathe. It is simple to turn, but it does require slow speeds. I use this plastic to make Scottish small pipes chanters. I have ordered numerous items from a plastic shop in Anaheim. The smaller parts 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 very durable and easily machinable, as they have comparable physical properties. They do look the same, but in practical use there are a few differences that may make one preferable 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 applicable 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 usual grade for food contact and where the dimensional stability is critical. Acetal Sheet has an ideal combination of high mechanical strength, hardness and toughness, giving it superb sliding properties, electrical insulation, and wear resistance.
Acetal Sheet has numerous uses and is especially of value in the food preparation industry. Because of its low moisture absorption it helped it to achieve Food & Drug Administration approval in addition to its excellent sliding abilities which aid with very low friction and hard wearing food safe components.
Acetal Sheet stock, perhaps the best of the engineering plastics used within the automotive industry because of its long lasting dimensional stability and toughness. It delivers solutions for designers to help them create long lasting and very durable components. Another popular area for sheet Acetal is in moisture applications. This environment suits acetal quite 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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