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Celazole PBI (U-60 Grade – 100% PBI Molding Compound) 
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Celazole PBI (U-60 Grade – 100% PBI Molding Compound) .jpg

Celazole PBI (U-60 Grade – 100% PBI Molding Compound) 

Celazole PBI (U-60 Grade – 100% PBI Molding Compound) is the highest-performing engineering thermoplastic commercially available. It offers the highest heat resistance among all unfilled plastics and superior retention of mechanical properties above 204°C (400°F). Celazole PBI provides better wear resistance and load-bearing capabilities at extreme temperatures than any other reinforced or non-reinforced engineering plastic.

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    Key Features and Advantages

    Celazole U-60 PBI is an unfilled PBI polymer grade specifically designed for compression molding. U-60 is typically molded and machined into precision components for applications in: industrial, chemical, and petrochemical processing; aerospace; glass manufacturing; liquid crystal display (LCD) panel production; and photovoltaic (PV) panel fabrication.

    As a non-reinforced material, Celazole PBI features exceptionally low levels of ionic impurities ("high purity") and exhibits no outgassing (except water vapor). These properties make it highly attractive for vacuum chamber applications in semiconductor manufacturing. Celazole PBI also demonstrates excellent ultrasonic transparency, making it ideal for components such as probe tip lenses in ultrasonic measurement equipment.

    Celazole PBI is an outstanding thermal insulator. Other molten plastics do not adhere to it. These characteristics render it perfect for contact seals and insulating bushings in plastic production and molding equipment.

    Key properties include

    • Best mechanical properties above 400°F (204°C) among all plastics

    • Exceptional temperature resistance:

    - Maximum heat deflection temperature: 800°F (427°C)

    - Continuous service temperature: 750°F (399°C) in inert environments / 650°F (343°C) in air

    - Short-term exposure tolerance: 1,000°F (538°C)

    • Unique material characteristics:

    - Lowest coefficient of thermal expansion among all unfilled plastics

    - Highest compressive strength among all unfilled plastics

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