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PEEK Carbon Fiber

PEEK CF has the highest mechanical properties among the materials achievable with Additive Manufacturing, allowing it to be applied in Metal Replacement practices in more extreme contexts and environments.

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Peek carbon fiber 3d printing


  • High strength and stiffness
  • Excellent chemical and thermal resistance
  • Lightweight and durable
  • Top choice in electric, aerospace, and automotive applications
  • Sustainable and recyclable material


  • Expensive compared to other materials
  • Difficult to machine and 3D print
  • Low impact resistance


  • 3D printing process: FDM
  • Tolerance: 0,6mm<100mm; 0,6%>100mm
  • Max size: 300 x 300 x 300 mm; 11.8 x 11.8 x 11.8 in
  • Lead time: <4 days
  • Available finishes: Annealing



Excellent resistance to high temperatures and chemicals

Peek carbon fibre is distinguished by its outstanding resistance to both high temperatures and aggressive chemicals. This combination of properties makes Peek carbon fibre ideal for applications in extreme environments, where it is necessary to withstand high temperatures and corrosive chemicals without compromising performance.


Flame retardant

Carbon fibre Peek is inherently a flame retardant, providing enhanced safety in fire-prone environments. Its ability to withstand high temperatures without propagating flame makes it a reliable choice for applications requiring materials with high fire safety standards.


Best Option for Metal Replacement

With its unique combination of light weight, strength and durability, Carbon Fibre Peek is positioned as the preferred choice for metal replacement practices in applications requiring high and challenging performance. It offers a lighter and stronger solution than traditional metals, enabling greater efficiency and superior performance in areas where light weight and strength are critical.



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Peek CF, known as Polyether Ketone with Carbon Fibres, is emerging as a leading choice in Additive Manufacturing. This material is attracting increasing attention in the polymer engineering sector due to its exceptional mechanical performance and the peculiarities of its constituent carbon fibres.

Its distinctive ability to provide strength and reliability in extreme conditions opens up new opportunities for advanced applications. Peek CF is not just a material, but rather an ally that defies convention, offering new perspectives in component design and production. Its introduction into the world of Additive Manufacturing marks a significant step towards making more complex and robust components efficiently.

This innovative combination of outstanding mechanical performance and metal replacement capability places Peek with carbon fibre in a prominent position, making it a preferred choice for those seeking advanced solutions. We explore the unique features of Peek CF in more depth, examining both its obvious advantages and the practical challenges that may arise during use. Its introduction into Additive Manufacturing is not just a step forward in technology; it is a prospect that can redefine the dynamics of industrial manufacturing and advanced applications.


Exceptional Mechanical Performance: Carbon Fibre Peek stands out for its exceptional mechanical performance, exceeding expectations in the category of 3D printable materials. Its ability to withstand intense workloads at temperatures prohibitive for other polymers positions it as an unrivalled choice for projects requiring strength and durability in extreme conditions.

Excellent Resistance to High Temperatures and Chemical Agents: A key strength of Carbon Fibre Peek is its exceptional resistance to high temperatures and chemicals. This fundamental characteristic makes it an ideal material for aggressive industrial environments, where thermal stability and chemical resistance are essential requirements. Its reliability under these extreme conditions consolidates Peek CF as a mainstay in Additive Manufacturing.

Flame Retardant: Peek's flame retardant status with carbon adds a further level of safety to its already remarkable characteristics. In contexts with high safety requirements, this material proves to be safe and efficient, mitigating the risks associated with flames and fires. This feature makes it a key choice in safety-sensitive sectors.

Best Option for Metal Replacement Practices with Challenging Performance: Peek CF is confirmed as the best option for metal replacement practices, offering a reliable solution in extreme working conditions. Its ability to replace metal without compromising performance positions it as an innovative and advanced choice for applications requiring lightweight yet robust materials, opening up new design and production possibilities.


Irregular properties on all axes: The challenge of non-uniform properties on all axes of PEEK CF requires careful analysis during the design phase. While the material excels in mechanical performance, variability on all axes could affect the consistency of the final product. A customised approach to design becomes essential to ensure that Peek CF fits the specific requirements of the project, guaranteeing consistency and accuracy.

Difficult to machine: The complex machinability of carbon fibre Peek represents a practical challenge that requires advanced skills and specific equipment. Its rigid and resistant nature, although advantageous in applications requiring strength, can make modification and processing of the material more complex. Optimal utilisation of the Carbon Fibre Peek filament requires advanced technical skills and a well-equipped production environment to ensure the highest quality and precision in the final results.

More expensive material compared to others in 3D Printing: A critical aspect to evaluate is the higher cost of Peek CF compared to other materials that can be used in 3D Printing. This financial factor must be carefully considered when planning projects. While PEEK CF offers superior performance, its availability at a higher cost may require a considered cost-benefit assessment, especially in projects where budget is a key element.

Low impact resistance: Another point of consideration is the low impact resistance of Peek with carbon, a characteristic that requires careful evaluation of the intended application. In scenarios subject to dynamic stress, the limited impact resistance could be a determining factor. The choice of Peek CF should therefore be guided by a thorough understanding of the specific project requirements and an awareness of the trade-offs associated with this particular material characteristic.


In conclusion, Peek CF, known as Polyether Ketone with Carbon Fibres, emerges as a major choice in Additive Manufacturing. Its unique fusion of exceptional mechanical performance and the peculiarities of carbon fibres is attracting increasing attention in polymer engineering, opening doors to new perspectives in the design and production of advanced components.

Peek CF's distinctive advantages, such as exceptional mechanical performance, resistance to high temperatures and chemicals, flame retardant qualification and its excellence in Metal Replacement practices, place it at the forefront of preferences for advanced designs requiring strength and durability in extreme conditions.

However, with each innovation comes challenges. Non-uniform properties across all axes require in-depth analysis during design, while the complexity of processing and higher cost compared to other materials in 3D Printing pose crucial questions in terms of practicality and budget. Low impact resistance, although an important consideration, can be managed with careful evaluation of the intended application.

Ultimately, the adoption of Peek CF requires careful management and a thorough understanding of its features and limitations. With a focused approach, Peek CF proves to be a valuable ally in tackling tough industrial challenges, paving the way for innovative designs and unparalleled performance in Additive Manufacturing.


Tensile breaking load 87,4 MPa
Modulus of elasticity 8,6 MPa
Elongation at break 2,5%
Flexural modulus 6338 MPa
HDT 0.45 MPa 315 ºC
Izod impact resistance 9,7 kJ/m²


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