PEKK Pyramid™ PEKK KD4219 Polymics, Ltd.

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Technical Data Sheet

physical property Test ConditionTest MethodTest Result
densityASTM D7921.46 g/cm³
Water absorption rateASTM D5700.040 %
hardnessTest ConditionTest MethodTest Result
Rockwell hardnessM-ScaleASTM D78590
Shore hardnessASTM D224084
flammabilityTest ConditionTest MethodTest Result
UL flame retardant ratingUL 94V-0
Supplementary InformationTest ConditionTest MethodTest Result
limiting pv value142000 J/m
Mechanical propertiesTest ConditionTest MethodTest Result
tensile strength BreakASTM D638172 MPa
elongationBreakASTM D6382.0 %
Flexural modulusASTM D79012400 MPa
bending strengthYieldASTM D790248 MPa
compressive strengthASTM D695221 MPa
shear strengthASTM D732138 MPa
coefficient of frictionSteel - DynamicASTM D18940.17
coefficient of frictionSteel - StaticASTM D18940.11
Tensile modulusASTM D63812400 MPa
Impact resistanceTest ConditionTest MethodTest Result
Impact strength of cantilever beam gapASTM D25653 J/m
Suspended wall beam without notch impact strengthASTM D256640 J/m
Electrical performanceTest ConditionTest MethodTest Result
Surface ResistivityASTM D257<1.0E+8 ohms
Thermal performanceTest ConditionTest MethodTest Result
Heat distortion temperatureASTM D648260 °C
Glass Transition TemperatureDSC160 °C
melting temperatureDSC360 °C
Linear coefficient of thermal expansionTMA4.5E-05 cm/cm/°C
thermal conductivityASTMC1770.25 W/m/K
IMPORTANT NOTES: Plas.com collected the data in the data sheet from the material manufacturers. Plas.com makes the best effort to improve the accuracy of the data, but has no responsibility for the data. We strongly recommend verifying the validity of the data with the material manufacturers before making a final decision.

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