The aerospace industry has long been at the forefront of advanced materials adoption, and polyaryletherketone (PAEK) polymers have emerged as a transformative material class for next-generation aircraft design. With their exceptional combination of lightweight construction, high-temperature performance, and superior mechanical properties, PAEK composites are enabling unprecedented design freedom and performance improvements.

The Aerospace Lightweighting Imperative

Weight reduction is critical in aerospace applications, where every kilogram saved translates to improved fuel efficiency, increased payload capacity, and reduced emissions. PAEK composites offer significant weight reduction compared to traditional metals while maintaining or exceeding required performance standards.

PAEK in Aerospace Structures

Primary and Secondary Structures
Toray Cetex TC1225 is a semi-crystalline low-melt PAEK resin system known for its excellent mechanical properties and proven success for primary to secondary structures within the aerospace industry. The material has achieved National Center for Advanced Materials Performance (NCAMP) qualifications, providing FAA-accepted, statistically validated material property data.

Thermoplastic Composite Advantages
High-performance thermoplastic composites offer better impact resistance than traditional thermoset composites, enabling better weight reduction for aircraft. PAEK composites exhibit excellent impact toughness along with high-temperature resistance, solvent resistance, and fatigue resistance.

Processing Innovations

Low-Melt PAEK (LMPAEK)
The development of LMPAEK resins with melting temperatures below 320°C has significantly improved the processability of PAEK composites. This has enabled improved automated fiber placement (AFP) technology, opening the door to true in-situ consolidation.

Automated Fiber Placement
PAEK composite processability has significantly improved, particularly in automated fiber placement (AFP) technology. Toray Cetex materials are available in semi-preg and large pre-consolidated reinforced thermoplastic composite laminate (RTL) formats, bringing versatility of design and processing options.

Aerospace Certifications

NCAMP Qualification
Toray has successfully qualified its high-performance Toray Cetex LMPAEK TC1225/T300 fabric-based thermoplastic composite material, now available in the NCAMP database. This milestone underscores the consistency and performance of Toray Cetex while enabling broader industry adoption and streamlined integration into certified aircraft structures.

FAA Acceptance
With FAA-accepted, statistically validated material property data now publicly available, customers can leverage NCAMP material, process specification, and design allowables to accelerate aircraft structural design and certification—reducing the time, cost, and risk traditionally associated with aircraft structure qualification.

Advanced Composite Technologies

Hybridization
Hollow profiles made of braided thermoplastic tape material are able to meet the demands of future aviation applications in terms of cost, cycle time, and mechanical properties of structural components.

Integrated Functionalities
Laminates can be configured to include integrated functionalities, such as lightning strike protection and galvanic corrosion protection, bringing further processing and functional benefits.

Applications Across Aircraft Systems

Future Outlook

As the aerospace industry continues to pursue weight reduction and performance improvement, PAEK composites are expected to see increasing adoption. Advances in processing technologies, expanded NCAMP qualifications, and the development of new PAEK grades will further accelerate the integration of these advanced materials into certified aircraft structures.

View Aerospace PAEK Applications

• shelf stable packaging market
• veneer sheets market
• water soluble packaging market