Mitsui Plastics

AURUM™

Unmatched Heat Resistance & Precision

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Mitsui Plastics
Maximize Reliability and Performance

Discover AURUM™ Thermoplastic Polyimide for Advanced Engineering

AURUM™ Thermoplastic Polyimide from Mitsui Chemicals sets the benchmark for high-performance engineering resins. With the highest glass transition temperature (Tg) of 245°C—100°C higher than PEEK—AURUM™ offers exceptional thermal stability and mechanical strength, even in the most extreme environments. Unlike traditional thermosetting polyimides, AURUM™ is injection moldable, enabling the production of high-precision components for automotive, aerospace, and industrial applications.

Engineers and manufacturers rely on AURUM™ for its stable coefficient of thermal expansion, outstanding stiffness at elevated temperatures, and customizable properties through fiber reinforcement and additives. Whether you need reliable seal rings for transmissions, durable oil seals for heavy machinery, or advanced wire coatings for aerospace, AURUM™ delivers proven performance and processability.

Partner with Mitsui Plastics for innovative material solutions, global supply chain expertise, and a commitment to quality and sustainability. Contact us today to learn how AURUM™ can elevate your next project.

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Key Benefits

  • Highest class of heat resistance among thermoplastic engineering resins
  • Injection moldable for high-precision parts
  • Customizable with fillers and additives for specific application needs
Mitsui Plastics

Product Applications

  • Automotive: Bearings, transmission seal rings, thrust washers, turbocharger abradable seals
  • Industrial: Oil seals, impellers
  • Aerospace: Wire extrusion coating, carbon fiber composite matrices
  • Electronics: Wires, cables, devices
  • Films and Sheets
  • Insulation coating for magnet wires used in motors, rotors, electric vehicles
  • Injection molded seal rings, bearings, and thrust washers for Automotive applications
  • Oil seals and impellers for Industrial applications
  • Wire extrusion coating, and matrices for carbon fiber composite structures for Aerospace applications

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