3D Printers > Material Options > High Performance Polymers

PEKK

PEKK (polyetherketoneketone) is a high performance, PAEK family polymer optimized for additive manufacturing, offering many of same properties as other high performance polymers but with improved printability, reduced warping, and better interlayer adhesion (z-strength).

Highlights

Density
1.26 g/cm³
Tensile Strength
92 MPa
Tensile Modulus
3 GPa
Heat Deflection
150 °C
Chemical Resistance
9 / 10

Key
Characteristics

  • Improved printability & reduced warping
  • Improved interlayer adhesion
  • High mechanical strength
  • Great chemical resistance
  • Great thermal resistance
  • Low outgassing under vacuum (≤0.1% CVCM)
  • Eligible to UL94 V-0 flammability rating
  • Complies with the RoHS and REACH standards

Properties

AON3D Readyprint™ PEKK-A is made from KEPSTAN®, a registered trademark belonging to ARKEMA FRANCE.

Properties Value Method
Tensile Modulus 2,972 MPa ISO 527-2/5A/50
Tensile Strength 92.1 MPa ISO 527-2/5A/50
Tensile Strain
Strength 5.8 % ISO 527-2/5A/50
Break 5.6 % ISO 527-2/5A/50
Tensile Stress
Break 70.7 MPa ISO 527-2/5A/50
Flexural Modulus 2638 MPa ISO 11359-2/ASTM E228
Flexural Stress at Conventionnal Deflection 88.2 MPa IEC 60243-1 (100um)
Properties Value Method
Charpy Impact Resistance 15.529 kJ/m² ASTM D257
Properties Value Method
Maximum Use Temp (T°) 150°C -
Thermal Conductivity 0.21 W/mK ASTM E1530-11
Properties Value Method
Total Mass Loss (TML) 0.27 % ASTM E595
Collected Volatile Condensable Material (CVCM) < 0.01 % ASTM E595
Water Vapor Recovered (WVR) 0.29 % ASTM E595
Properties Value Method
Surface Resistivity 10^16 Ohms/m² ASTM D257
Dielectric Strength 84 KV/mm IEC 60243-1 (100um)

*The data should be considered as indicative values - Properties can be influenced by processing conditions

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