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

PropertiesValue
(annealing)
Value
(unannealing)
Method
Tensile Modulus2 990 MPa2 510 MPaISO 527-2/5A/50
Tensile Strength46.7 MPa65 MPaISO 527-2/5A/50
Tensile Strain
Strength2.3 %5 %ISO 527-2/5A/50
Break2.3 %> 5 %ISO 527-2/5A/50
Tensile Stress
Break46.7 %48 %ISO 527-2/5A/50
Dielectric Constant-84 KV/mmIEC 60243-1
Surface Resistivity-10 Ohms/m²ASTM D257
Total Mass Loss-0.27 %ASTM E595
Collected Volatile Condensable Material-< 0.01 %ASTM E595
Water Vapor Recovered-Water Vapor RecoveredASTM E595
Flexural Modulus2 120 MPa1 660 MPaISO 178
Flexural Stress at Conventionnal Deflection89.8 MPa63.2 MPaISO 178
Flexural Strength94.9 MPa-ISO 178
Flexural Strain at Flexural Strength4.3 %> 5 %ISO 178
PropertiesValue
(annealing)
Value
(unannealing)
Method
Charpy Impact Resistance1.9 kJ/m²2.5 kJ/m²ISO 179-1/1eE
PropertiesValue
(annealing)
Value
(unannealing)
Method
Maximum Use-149-
Thermal Conductivity-0.21 W/mKASTM E1530-11

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

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