乐天PCPC-1220--产品说明：HighflowabilityHightensilestrength,flexuralstrength,andelasticmodulusHopelexpc-1220physicalpropertytableessentialinformationcharacteristicRigid,hightensilestrength,highfluidityRoHScomplianceRoHScomplianceProcessingmethodinjectionmoldingPhysicalperformanceratingunitsystemtestmethodSpecificgravity:1.20g/cm3ASTMD792Meltflowratewas238.2g/min(ASTMd1238.2g/min)Shrinkage-flow0.50to0.70%ASTMD955MechanicalpropertiesratingunitsystemtestmethodTensilestrength1(yield)61.8MPaASTMD638Elongation2(break)>100%ASTMD638Bendingmodulus32350MPaASTMD790Bendingstrength4(yield)90.2MPaASTMD790ImpactperformanceratingunitsystemtestmethodNotchedimpactstrengthofcantileverbeam(23°C,3.18mm)690J/MASTMD256ThermalperformanceratingunittestmethodHotdeformationtemperatureunderloadASTMD64845MPa,UNannealedat139°CASTMD6481.8MPa,UNannealedat128°CASTMD648Vicatsofteningtemperature150°CASTMd15255OpticalperformanceratingunitsystemtestmethodRefractiveindex:1.585ASTMd542Transmittance:89.0%ASTMd1003Haze<0.80%ASTMd1003InjectionratingunitsystemDryingtemperature:120°CDryingtime:4.0HRRecommendedmaximummoisturecontent0.020%Recommendedmaximumrecyclingratioof20%Hoppertemperaturefrom60.0to80.0°CBarrelreartemperature290to310°CThetemperatureinthemiddleofthebarrelis280to300°CTemperatureatfrontofbarrel270to290°CNozzletemperature280to300°CProcessing(melt)temperature290to310°CMoldtemperature:60.0to90.0°C)