One of the best known variety slip tolerant mechanical plastics is Natural Cast Natural Nylon type 6 materials. These engineering materials has been available for decades.
Natural Natural Cast Nylon type 66 Nylon material is well known for being wear resistant. This excellent material is a common material for demanding applications like machining critical wear parts for machines. If Nylon is a material you would like to know more about simply click here, %LINK% Extreme applications are typical for Nylon. Nylon has one of the widest ranges of sizes and shapes, including thin sheet to massive blocks. The Black Natural Extruded Nylon type 6/6 material are produced in a massive size range. 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 for practical uses there are some differences that can make one preferable than the other. It also depends heavily on your application. As with all plastic materials, be sure to check the typical properties data sheet for the applicable properties you may need for your application.