PA9T和PA6T物性差异表

PropertiesStandardConditionUnit9TValue6TValuePhysicalPropertiesSpecificGravityASTMD79223g/cm31.62MoldShrinkage,FlowColdmold,48hrs%0.6MoldShrinkage,Cross-FlowColdmold,48hrs%0.2MoistureAbsorptionASTMD57023°C;50%RH%0.8FillerContent,CarbonFiber800°C/2h%30MechanicalPropertiesTensileStrengthASTMD63850mm/minMpa185170ElongationatBreakASTMD63850mm/min%44FlexuralStrengthASTMD7903mm/minMpa240250FlexuralModulusASTMD7903mm/minGpa1100011,000IzodImpact,NotchedASTMD256J/m8095ThermalPropertiesMeltingPointDSC23320310CTEASTMD696-20~150°Cµm/m--HDTASTMD6481.8Mpa295285FlammabilityUL941.6mmV0V0ElectricalPropertiesDielectricConstantIEC602501MHz4.13.8DielectricStrengthIEC60243S/T,inoilkV/mm--DissipationFactorIEC602501MHz--VolumeResistivityIEC6009323ohm·cm--9T6T9T6T9TASTMD755Processing0.05%InjectionProcessMoldTemperature90120FrontCylinderTemperatureMaterialsDryingProcessDryingTemperature130DryingTime46hMaximumMoistureContent30032072Injectionpressure70100MpaBackPressureMiddleCylinderTemperature300320BehindCylinderTemperature2803202.010.0MpaScrewspeed7080rpmNozzleTemperature280300MeltTemperature3053206T13046h0.05%9012030032030532070100Mpa2.010.0Mpa7080rpm300320280320280300