High Performance Thermoplastic
PEEK — Polyether Ether Ketone
PEEK is one of the highest performing thermoplastics available. It maintains its mechanical properties at continuous service temperatures up to 260 °C and is widely used in aerospace, medical implants, and semiconductor manufacturing.
PEEKVictrex PEEKKetron PEEKTECAPEEK
Manufacturers
4
Grades
5
Applications
5
Equivalents
3
Physical Properties
- Density
- 1.32 g/cm³
- Water Absorption (24h)
- 0.15 %
- Transparency
- Opaque (amber)
- Shrinkage
- 1.1 – 1.4 %
Mechanical Properties
- Young's Modulus
- 3.6 GPa
- Tensile Strength
- 100 MPa
- Flexural Strength
- 170 MPa
- Impact Strength (Izod)
- 55 J/m
- Elongation at Break
- 50 %
Thermal Properties
- Melting Point
- 343 °C
- Glass Transition Temperature
- 143 °C
- Continuous Service Temperature
- 260 °C
- Heat Deflection Temperature
- 160 °C
Electrical Properties
- Dielectric Constant
- 3.2
- Volume Resistivity
- 10¹⁶ Ω·cm
Chemical Resistance
- Acids
- Excellent
- Bases
- Excellent
- Solvents
- Excellent
- Hydrolysis (steam)
- Excellent
- UV Resistance
- Fair
Sustainability
- Recyclability
- Recyclable (specialty)
- Recycling Code
- 7
- Carbon Footprint
- ~30 kg CO₂e / kg
Manufacturing compatibility
Injection MoldingExtrusionCNC Machining3D Printing (specialty FDM/SLS)
Applications
Aerospace brackets
Medical implants
Semiconductor wafer carriers
Downhole oil & gas seals
Bearings
Available grades
PEEK NaturalPEEK GF30PEEK CF30PEEK MedicalPEEK Bearing Grade