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Carbon fiber Filled PEEK tube

When engineering components require an exceptional balance of strength, stiffness, and thermal stability, a Carbon fiber Filled PEEK pipe delivers performance that surpasses unfilled polymers and many metals. The addition of carbon fiber reinforcement dramatically increases the compressive and flexural modulus compared to standard PEEK tubes, while maintaining the inherent chemical resistance and low moisture absorption the material is known for. A Carbon fiber reinforced PEEK tube is designed for continuous service in temperatures up to 260°C, offering reliable dimensional stability and wear resistance in harsh oil and gas, semiconductor, and aerospace environments. The material’s V-0 flammability rating and outstanding dielectric properties further expand its use across electrical and structural applications.


specifications reflect precision manufacturing and rigorous quality control. Dimensional tolerances, mechanical properties, and thermal performance are consistently verified to meet industry standards.

  • Outer diameter range: 6 mm to 200 mm (custom sizes on request)
  • Wall thickness tolerance: ±0.05 mm for diameters under 25 mm; ±0.10 mm above
  • Length options: 500 mm, 1000 mm, and 3000 mm standard; cut-to-length parts available
  • Filler content: 30% carbon fiber by weight; custom loading available
  • Color: Black, matt surface finish
PropertyTest MethodTypical Value
DensityISO 11831.44 g/cm³
Tensile Strength at BreakISO 527195 MPa
Tensile ModulusISO 52718 GPa
Flexural StrengthISO 178290 MPa
Flexural ModulusISO 17816 GPa
Compressive StrengthISO 604220 MPa
Heat Deflection Temperature (1.8 MPa)ISO 75323°C
Coefficient of Linear Thermal ExpansionISO 1135925 × 10⁻⁶ /K
Water Absorption (24 h, 23°C)ISO 620.06%
Volume ResistivityIEC 6009310⁴ ohm·cm

The extruded and annealed structure of eliminates residual stress, ensuring consistent roundness and straightness even after machining. Surface quality meets a roughness average of Ra 0.8 µm or better, which reduces friction and simplifies integration into high-precision assemblies. These tubes are routinely used in applications demanding high Pv limits, such as reciprocating compressor parts, pump bushings, and electrical insulators. Post-processing options include centerless grinding, grooving, and drilling under tight run-out tolerances. Every batch ships with a certificate of conformance and full material traceability, supporting customers in regulated markets without compromise.

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