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Celazole Grades

Celazole® PBI (polybenzimidazole) is a high-performance, fully aromatic heterocyclic thermoplastic polymer known for its superior thermal and mechanical properties. With a glass transition temperature of 427°C, it offers exceptional strength and extensive chemical resistance, making it ideal for extreme environments. PBI powder can be compression molded into U-60 shapes, the highest performing base grade, which can then be machined into various parts. Additionally, PBI can be combined with polyaryletherketones (PEEK or PEKK) to create T-Series pellets suitable for injection molding and extrusion. PBI solutions are available for manufacturing hollow fiber membranes, flat sheet membranes, casting films, or coating metal surfaces.

Celazole® Features

  • Unmatched compressive strength among unfilled resins
  • Superior tensile and flexural strengthExcellent fatigue resistance and minimal creep
  • High hardness
  • Low friction coefficient
  • Exceptional glass transition (Tg) and heat deflection temperature (HDT)
  • Comparatively low thermal expansion coefficient
  • High volume resistivity
  • Excellent resistance to plasma

Jump to a specific grade

U-60

For applications demanding heat and chemical resistance, U-60 is the go-to material. This unfilled compression-molded grade is used in aerospace components, industrial processing equipment, and LCD panel manufacturing, where materials need to resist extreme conditions without degrading.

Shapes Offered


TU-60

TU-60 is a thermoplastic blend designed for easy processing while maintaining excellent heat resistance. It’s frequently used for connectors, insulators, and sealing components, where materials need to hold their shape under extreme temperatures and chemical exposure.

Shapes Offered


TL-60

Friction can wear down components over time, but TL-60 is built to combat that. This self-lubricating grade is perfect for bushings, thrust washers, rotor vanes, and wear plates, helping to reduce heat buildup and extend component life in high-speed, high-load systems.

Shapes Offered


TF-60C

TF-60C brings high strength and stiffness to applications that require durability and structural integrity under high temperatures. Reinforced with carbon fiber, it’s often used in precision gears, industrial machinery, and semiconductor handling equipment, where mechanical stability under continuous thermal cycling is crucial.

Shapes Offered


TF-60V

Designed for thermal insulation and electrical stability, TF-60V is reinforced with glass fiber, making it a go-to for industrial insulation, aerospace applications, and components needing high dielectric strength.

Shapes Offered


TK-60

TK-60 offers both chemical and heat resistance in a machinable format. This grade is commonly used in high-temperature seals, aerospace components, and industrial processing equipment that must withstand extreme operating conditions.

Shapes Offered


TKL-60

TKL-60 is an enhanced self-lubricating version of TK-60, making it a perfect fit for dynamic, high-load applications. It keeps moving parts cool and reduces friction, ensuring longer wear life in industrial machinery, automotive components, and aerospace systems.

Shapes Offered


TK-60C

TK-60 has fatigue resistance and mechanical strength. Reinforced with carbon fiber, this grade is designed for structural aerospace applications, industrial equipment, and high-performance mechanical components, holding up against constant heat, stress, and pressure.

Shapes Offered


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