Polymeric Alternative to Bronze Bushings

Ertalyte and Ertalyte TX are both semi-crystalline thermoplastic polyesters exclusive to Dotmar Engineering Plastics in Australia. Ertalyte and Ertalyte TX plastic sheet, rod and tube has many properties which make it unique when compared with other engineering plastics in applications that require food contact, stain resistance, low friction and high wearing characteristics. Ertalyte and Ertalyte TX has excellent dimensional stability making this material an ideal bronze replacement across significant operating temperature variations.

Available in rod, tube and sheet form, Ertalyte is especially suitable for precision mechanical parts capable of sustaining high loads in challenging wear conditions.

Dotmar has two polyester PETP products:

  • Ertalyte is suitable for the manufacture of mechanical precision parts which have to sustain high loads and are subject to wear. Its main properties are high mechanical strength, better resistance to acids when compared with Nylon and Acetal, good electrical insulating properties and physically inert.
  • Ertalyte TX has outstanding wear resistance and even lower coefficient of friction when compared with Ertalyte. It is an internally lubricated bearing grade with high pressure velocity capabilities and is ideally suited for applications involving metal and plastic mating surfaces.

Both products can be used in the following applications:

  • Precision gears and bearings
  • Thrust washers
  • Pump components
  • Slideways
  • Components for mechanisms of precision

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