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PEKK Pyramid™ PEKK KD4219 Polymics, Ltd.
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Plastic Datasheets

Impact resistanceTest ConditionTest MethodPolymics, Ltd./Pyramid™ PEKK KD4219
Impact strength of cantilever beam gap3.18mmASTM D25653 J/m
Suspended wall beam without notch impact strength3.18mmASTM D256640 J/m
Supplementary InformationTest ConditionTest MethodPolymics, Ltd./Pyramid™ PEKK KD4219
limiting pv value142000 J/m
hardnessTest ConditionTest MethodPolymics, Ltd./Pyramid™ PEKK KD4219
Shore hardness邵氏DASTM D224084
Rockwell hardnessM级ASTM D78590
Mechanical propertiesTest ConditionTest MethodPolymics, Ltd./Pyramid™ PEKK KD4219
elongation断裂ASTM D6382.0 %
bending strength屈服ASTM D790248 MPa
compressive strengthASTM D695221 MPa
tensile strength 断裂ASTM D638172 MPa
Flexural modulusASTM D79012400 MPa
Tensile modulusASTM D63812400 MPa
coefficient of friction与钢-动态ASTM D18940.17
与钢-静态ASTM D18940.11
shear strengthASTM D732138 MPa
Electrical performanceTest ConditionTest MethodPolymics, Ltd./Pyramid™ PEKK KD4219
Surface ResistivityASTM D257<1.0E+8 ohms
flammabilityTest ConditionTest MethodPolymics, Ltd./Pyramid™ PEKK KD4219
UL flame retardant rating3.2mmUL 94V-0
physical property Test ConditionTest MethodPolymics, Ltd./Pyramid™ PEKK KD4219
Water absorption rate24hrASTM D5700.040 %
densityASTM D7921.46 g/cm³
Thermal performanceTest ConditionTest MethodPolymics, Ltd./Pyramid™ PEKK KD4219
Heat distortion temperature1.8MPa,未退火，HDTASTM D648260 °C
Linear coefficient of thermal expansionMD：-40到149°CTMA4.5E-05 cm/cm/°C
Glass Transition TemperatureDSC160 °C
thermal conductivityASTMC1770.25 W/m/K
melting temperatureDSC360 °C

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