泰科纳POMUV25Z---UV25Zisanominal2.5meltflowrateacetalcopolymerwhichhasbeenspeciallystabilizedtopreventdiscolorationanddeteriorationofmechanicalpropertiesfromultr***ioletlightexposure.Thematerialis***ailableinprecoloredblackorcolors.PhysicalperformanceratingunitsystemtestmethodSpecificgr***ity:1.41g/cm?ASTMD792,ISO1183Dissolutionvolumeflowrate(MVR)(190°C/2.16kg)2.20cm3/10minISO1133ShrinkageFlow2.2%ASTMD955Transverseflow1.8%ASTMD955Verticalflowdirection1.7%ISO294-4Flowdirection:2.2%ISO294-4WaterabsorptionISO62Saturated,23°C0.75%ISO62Balanced,23°C,50%RH0.20%ISO62MechanicalpropertiesratingunitsystemtestmethodTensilemodulus2500MPaISO527-2/1A/1TensilestrengthYield,23°C60.7MPaASTMD638Yield63.0MPaISO527-2/1A/50Tensilestrain(yield)11%ISO527-2/1A/50Bendingmodulus(23°C)2420MPaISO178ImpactperformanceratingunitsystemtestmethodNotchedimpactstrengthofsimplysupportedbeam(23°C)8.0kJ/M?ISO179/1eaNotchedimpactstrengthofcantileverbeam(23°C)7.0kJ/M?ISO180/1AThermalperformanceratingunittestmethodThermaldeformationtemperatureunderload1.8MPa,UNannealedat110°CASTMD6481.8MPa,UNannealedat90.0°CISO75-2/AMeltingtemperature--1166°CISO11357-3--165°CASTMD3418LinearcoefficientofthermalexpansionISO11359-2Flow1.1e-4cm/cm/°CISO11359-2Transverse1.1e-4cm/cm/°CISO11359-2InjectionratingunitsystemDryingtemperature:80.0to100°CDryingtime:3.0HRThetemperatureatthebackofthebarrelis170to180°CThetemperatureinthemiddleofthebarrelis180to190°CTemperatureatfrontofbarrel180to190°CNozzletemperature190to200°CProcessing(melt)temperature180to200°CMoldtemperature:80.0to120°CInjectionpressure:60.0to120MPaSlowinjectionspeedHoldingpressure60.0to120MPaBackpressure:0.00to0.500MPa)