Polyetheretherketone Reinforced with 30% Carbon Fibre (PEEK+CF30)

Alternative and trade names
Victrex™, Vestakeep®, KetaSpire®, TECACOMP®
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30% carbon-fiber reinforced grade of polyetheretherketone (PEEK, engineering plastic). Carbon- fiber reinforcement of PEEK provides the maximum levels of mechanical properties at temperatures approaching 300°C, and the lowest coefficient of linear thermal expansion.

It is produced to the highest industry standards and is characterized by a distinct combination of properties, which include excellent wear resistance, best-in-class fatigue resistance, ease of melt processing, high purity, and excellent chemical resistance to organics, acids and bases.

This material data has been provided by M-Base.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

Ashby charts

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1.4 - 1.44 g/cm³

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Elastic modulus

22.0 - 28.0 GPa

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1.5 - 2.0 %

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Impact strength, Charpy notched

6.0 - 10.0 kJ/m²

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Impact strength, Charpy unnotched

33 kJ/m²

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60 kJ/m²

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Tensile strength

220.0 - 275.0 MPa

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at 1.5-2% strain



Coefficient of thermal expansion

4e-06 - 3.8e-05 1/K

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Melting point

340.0 - 343.0 °C

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Specific heat capacity

1800.0 - 1850.0 J/(kg·K)

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Thermal conductivity

0.92 - 0.95 W/(m·K)

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UL 94 V0



Dielectric constant

17 [-]

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Electrical resistivity

1000000.0 - 1000000000000.0 Ω·m

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Technological properties

Application areas

oil scavenger lines, rod benders, medical devices, pump parts, surgical instruments


30% Carbon Fiber


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Processing methods

Injection molding, extrusion