Delrin® AF Blend, Acetal Homopolymer, PTFE filled, extruded -as manufactured by Quadrant Engineering Plastic Products is a is a unique thermoplastic material for use in moving parts in which low friction and long wear are important. It is a combination of Teflon* fibers uniformly dispersed in Delrin acetal resin. This combination produces a material that has strength, toughness, dimensional stability and good machinability, plus improved wear characteristics over unfilled Delrin. Delrin AF Blend, most commonly supplied as a 2:1 blend of Delrin AF100 and Delrin 150 resins, has excellent sliding/friction properties.

Bearings made of Delrin AF Blend sustain high loads when operating at high speeds and show reduced wear. These bearings are also essentially free of slip-stick behavior because the static and dynamic coefficient of friction are closer than with most plastics. Delrin AF Blend retains much of the strength that is inherent in unmodified Delrin acetal. Some properties are changed due to the addition of the softer Teflon fiber. The natural color of Delrin AF Blend is dark brown.

Download the Delrin AF datasheet from Modern Plastics.

Notable properties:

  • Low moisture absorption
  • High-strength, stiffness
  • Ideal for machined parts where low friction and long life is important
  • Easy to machine
  • Excellent dimensional stability
  • Enhanced wear and friction properties over standard acetals

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