Why Aerospace Leaders Trust Celazole® Polymers

Why Specialized Polymers Matter for Aerospace

Aerospace environments represent some of the most challenging conditions for materials, where components must endure temperature extremes, chemicals, high mechanical stress, and prolonged exposure to vibration and friction.

When non-metallic engineering materials are required, it pays to use the best. Recognizing these challenges, Celazole® U-Series and T-Series polymers provide aerospace manufacturers the thermoplastic polymer solution they need — providing lightweight, high-strength, thermally resistant parts.

Celazole® U-Series: Exceptional Strength in Extreme Conditions

Celazole® U-Series is a family of high-performance polymers made from polybenzimidazole (PBI). U-series is known for its combination of extraordinary thermal stability, compressive strength, and chemical resistance. U-60 is an unfilled, compression molded, 100% PBI available in various stock shapes. U-60 is great for parts in high-temperature environments that could require high strength or electrical insulating properties. U-60CF is a carbon fiber reinforced compression molded PBI grade for structural applications.

Celazole® U-Series polymers outperform traditional engineering plastics due to their:

• Superior Strength of U-Series:
  Celazole® U-Series has the highest compressive strength of any existing unfilled engineering resin.
• Outstanding Thermal Stability:
  With a glass transition temperature of 800°F (427°C) and no ambient pressure melting point, U-Series polymers outperform other engineering plastics, making them ideal for applications with prolonged heat exposure.
• Excellent Chemical Resistance:
  Components made from Celazole® U-Series maintain strength and performance even when exposed continuously to aviation fuels, lubricants, chlorinated solvents, and oils.
• Superior Strength of U-Series:
  Celazole® U-Series has the highest compressive strength of any existing unfilled engineering resin.

Celazole® T-Series: Advanced Performance and Processing Flexibility

Celazole® T-Series polymers deliver a unique blend of outstanding mechanical strength, thermal stability, and ease of manufacturing. By combining the exceptional properties of polybenzimidazole (PBI) with the melt-processable advantages of polyaryletherketones (PEEK or PEKK), these polymers provide aerospace manufacturers with a versatile, cost-effective solution suitable for high volume injection molded parts.

Celazole® T-Series stands out due to its:

• Superior Wear Resistance:
  Offering up to four times greater durability than conventional thermoplastics like polyamide-imide (PAI); significantly extending component lifespan.
• Exceptional High-Temperature Strength:
  Carbon fiber reinforced Celazole® TF-60C retains a flexural strength of approximately 15,000 psi (100 MPa) at 500°F (260°C).
• Cost-Effective Processing:
  Available in pellet form, Celazole® T-Series polymers facilitate high-volume injection molding.

Choosing Between Celazole® U-Series and T-Series

Although both Celazole® U-Series and T-Series polymers deliver outstanding aerospace performance, their thermal and strength characteristics make each series suited to different applications. U-Series is preferred when aerospace applications require maximum thermal performance. U-series is the world’s highest thermomechanical engineering plastic available.

Celazole® T-Series is ideal for applications with lower thermal requirements (up to 550-600°F) while retaining strength and modulus, or for parts requiring superior wear resistance. T-Series compounds allow aerospace manufacturers to produce components with exceptional performance at a high volume easily.

Practical Applications Across Aerospace

Celazole® U-Series and T-Series polymers provide aerospace manufacturers with critical advantages thanks to their exceptional strength, toughness, and lightweight properties.

Common aerospace components utilizing Celazole® polymers include:

• High-precision bearings and seals
• Electronic connectors
• Insulating parts
• Non-metallic structural components

Need Professional Help?

Selecting the ideal polymer for an aerospace application requires careful consideration of thermal conditions, mechanical loads, chemical exposures, lifecycle expectations, and manufacturing processes. PBI Performance Products simplifies this crucial step by providing expert guidance through our convenient material selection questionnaire, which can be completed in just minutes.

For personalized assistance selecting the right Celazole® polymer for your aerospace application, contact our experienced team to see what we can do for you!