Polyetherimide [PEI]

PEI, an amber translucent (non-optical) amorphous thermoplastic, delivers outstanding strength and heat resistance. Capable of continuous performance up to 170 °C, it is ideal for demanding high-strength, high-temperature applications, and for uses requiring consistent dielectric properties over a broad frequency and temperature range.

Grades

● Duratron® U1000 PEI

● Duratron® U2300 PEI

  • High maximum allowable service temperature in air [170 °C continuously]
  • Very good hydrolysis resistance [suitable for repeated steam sterilization]
  • High strength and stiffness over a wide temperature range
  • Good dimensional stability
  • Very good resistance to high energy radiation [gamma and X-rays]
  • Physiologically inert [suitable for food contact per FDA regulations]
  • Very good resistance against high energy radiation [gamma- and X-rays]
  • Very good electrical insulating and dielectric properties
  • When machining Duratron® U1000 PEI, avoid using soluble oil-based coolants, which can lead to environmental stress cracking.
  • Pure water or compressed air are the preferred cooling methods. The same recommendations apply to Sultron® PPSU.
  • Duratron® U1000 PEI is ideal for electrical and electronic insulators including various semiconductor process components and for structural parts that demand high strength and rigidity at elevated temperatures.
  • Its excellent hydrolysis resistance allows repeated autoclaving cycles, and the material is manufactured from FDA-compliant raw materials suitable for contact with food.