3D Printing Material PEKK & Carbon-Fiber PEKK

PEKK (polyetherketoneketone) is a relative of PEEK in the PAEK family, and offers similar high-performance mechanical properties, as well as temperature and chemical resistances.

Extreme Thermal
Resistance

Incredible Mechanical
Strength

Broad Chemical
Resistance

Flame Retardant

Strong Abrasion
Resistance

Great Printability

Properties

PEKK-A made from KEPSTAN® by Arkema

Properties Value
(annealing)
Value
(unannealing)
Method
Tensile Modulus 2 990 MPa 2 510 MPa ISO 527-2/5A/50
Tensile Strength 46.7 MPa 65 MPa ISO 527-2/5A/50
Tensile Strain
Strength 2.3 % 5 % ISO 527-2/5A/50
Break 2.3 % > 5 % ISO 527-2/5A/50
Tensile Stress
Break 46.7 MPa 48 MPa ISO 527-2/5A/50
Dielectric Constant - 84 KV/mm IEC 60243-1
Surface Resistivity - 10 Ohms/m² ASTM D257
Total Mass Loss - 0.27 % ASTM E595
Collected Volatile Condensable Material - < 0.01 % ASTM E595
Water Vapor Recovered - Water Vapor Recovered ASTM E595
Flexural Modulus 2 120 MPa 1 660 MPa ISO 178
Flexural Stress at Conventionnal Deflection 89.8 MPa 63.2 MPa ISO 178
Flexural Strength 94.9 MPa - ISO 178
Flexural Strain at Flexural Strength 4.3 % > 5 % ISO 178
Properties Value
(annealing)
Value
(unannealing)
Method
Charpy Impact Resistance 1.9 kJ/m² 2.5 kJ/m² ISO 179-1/1eE
Properties Value
(annealing)
Value
(unannealing)
Method
Maximum Use - 149 -
Thermal Conductivity - 0.21 W/mK ASTM E1530-11

*All data as reported by Arkema France Technical Data Sheet as downloaded on 20/3/2020.

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