Duratron® T4301 PAI (Torlon®)

Mitsubishi Chemical Advanced Materials
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Data Sheet

Duratron® T4301 PAI is primarily used for wear and friction parts. It offers a very low expansion rate, low coefficient of friction and exhibits little or no slip-stick in use. Duratron® T4301's flexural modulus of 1,000,000 psi, is higher than most other advanced engineering plastics. This grade excels in severe service wear applications such as non-lubricated bearings, seals, bearing cages and reciprocating compressor parts. Advantages of Duratron® T4301 PAI:

  • Low expansion rate
  • Low coefficient of friction
  • Exhibits little or no slip-stick in use
  • Excellent wear resistance


  • Non-lubricated bearings
  • Seals
  • Bearing cages
  • Reciprocating compressor parts