Polybenzimidazole [PBI]

PBI is the highest-performing engineering thermoplastic available today. With its unique property profile, it offers the ultimate solution when other plastic materials fall short.

Grades

● Duratron® CU60 PBI

  • Extremely high maximum allowable service temperature in air [310 °C continuously, up to 500 °C for short periods of time]
  • Excellent retention of mechanical strength, stiffness and creep resistance over a wide temperature range
  • Excellent wear and frictional behavior
  • Extremely low coefficient of linear thermal expansion
  • Excellent resistance against high energy radiation [gamma- and X-rays]
  • Inherent low flammability
  • High purity in terms of ionic contamination
  • Good electrical insulating and dielectric properties
  • High-tolerance fabricated components should be stored in sealed containers, typically polybags with desiccant, to prevent dimensional changes caused by moisture absorption.
  • Components that are rapidly exposed to temperatures above 200 °C should be pre-dried or maintained in a dry state to avoid deformation due to thermal shock.
  • It is commonly used to replace metals and ceramics in applications such as pump components.
  • Valve seats (including high-tech valves)
  • Bearings
  • rollers