泰科纳POM UV90Z
泰科纳POMUV90Z----UV90Zisanintegrallycolorednominal9meltflowratebasedacetalcopolymermaterialstabilizedforusewhereultr***ioletradiationexposureistobeencountered.Thematerialisformulatedtopreventdiscoloration,fading,chalkingandmechanicalpropertychangeinsevereultr***ioletexposure.Thisproductis***ailableinmanycolorsformulatedfortheinteriorautomotivemarketandotherapplicati***.PhysicalperformanceratingunitsystemtestmethodSpecificgr***ity:1.41g/cm?ASTMD792,ISO1183MVR(190°C/2.16kg)8.00cm3/10minISO1133ShrinkageFlow2.2%ASTMD955Transverseflow1.8%ASTMD955Verticalflowdirection1.7%ISO294-4Flowdirection1.9%ISO294-4WaterabsorptionISO62Saturated,23°C0.75%ISO62Balanced,23°C,50%RH0.20%ISO62MechanicalpropertiesratingunitsystemtestmethodTensilemodulus:2700MPaISO527-2/1A/1TensilestrengthYield,23°C60.7MPaASTMD638Yield64.0MPaISO527-2/1A/50Tensilestrain(yield)9.0%ISO527-2/1A/50Bendingmodulus(23°C)2470MPaISO178ImpactperformanceratingunitsystemtestmethodNotchedimpactstrengthofsimplysupportedbeam(23°C)6.0kJ/M?ISO179/1eaNotchlessimpactstrengthofsimplysupportedbeam(23°C)100kJ/M?ISO179/1euNotchedimpactstrengthofcantileverbeam(23°C)5.7kJ/M?ISO180/1AThermalperformanceratingunittestmethodHotdeformationtemperature0.45MPa,UNannealedat155°CISO75-2/b1.8MPa,UNannealedat110°CASTMD6481.8MPa,UNannealedat91.0°CISO75-2/AMeltingtemperature1165°CISO11357-3,ASTMD3418LinearcoefficientofthermalexpansionISO11359-2Flow1.1e-4cm/cm/°CISO11359-2Transverse1.2e-4cm/cm/°CISO11359-2InjectionratingunitsystemDryingtemperature:80.0to100°CDryingtime:3.0HRThetemperatureatthebackofthebarrelis170to180°CThetemperatureinthemiddleofthebarrelis180to190°CTemperatureatfrontofbarrel180to190°CNozzletemperature190to200°CProcessing(melt)temperature180to200°CMoldtemperature:80.0to120°CInjectionpressure:60.0to120MPaTheinjectionspeedwasslowtomediumHoldingpressure60.0to120MPaBackpressure:0.00to0.500MPa)