泰科纳POMM15HP---providingoptimumperformanceingeneralpurposeinjectionmolding.Thisgradeprovidesoverallexcellentperformanceinapplicati***requiringhighstiffness.PhysicalperformanceratingunitsystemtestmethodSpecificgravity:1.41g/cm?ASTMD792,ISO1183Meltflowrate(meltflowrate)1.5g/10minASTMd1238MVR(190°C/2.16kg)1.30cm3/10minISO1133Shrinkage:ISO294-4Verticalflowdirection1.9%ISO294-4Flowdirection:2.3%ISO294-4WaterabsorptionISO62Saturated,23°C0.75%ISO62Balanced,23°C,50%RH0.20%ISO62MechanicalpropertiesratingunitsystemtestmethodTensilemodulus2800MPaISO527-2/1A/1Tensilestress(yield)68.0MPaISO527-2/1A/50Tensilestrain(yield)16%ISO527-2/1A/50Bendingmodulus(23°C)2750MPaISO178ImpactperformanceratingunitsystemtestmethodNotchedimpactstrengthofsimplysupportedbeamsISO179/1ea-30°C8.5kJ/m²ISO179/1eA23°C11kJ/m²ISO179/1eANotchlessimpactstrengthofsimplysupportedbeamsISO179/1eu-30°C240kJ/m²ISO179/1eU23°C280kJ/m²ISO179/1eUNotchedimpactstrengthofcantileverbeam(23°C)9.5kJ/M?ISO180/1AThermalperformanceratingunittestmethodHotdeformationtemperature0.45MPa,UNannealed158°CISO75-2/b1.8MPa,UNannealedat101°CISO75-2/AMeltingtemperature1173°CISO11357-3LinearcoefficientofthermalexpansionISO11359-2Flow1.1e-4cm/cm/°CISO11359-2Transverse1.2e-4cm/cm/°CISO11359-2FillinganalysisratingunitsystemtestmethodDensityofmelt1.170g/cm?InternalmethodInjectionratingunitsystemDryingtemperature:80.0to100°CDryingtime:3.0HRBarrelreartemperature190to200°CThetemperatureinthemiddleofthebarrelis190to210°CBarrelfronttemperature190to215°CNozzletemperature190to220°CProcessing(melt)temperature:205to220°CMoldtemperaturefrom90.0to120°CInjectionpressure:90.0to140MPaSlowinjectionspeedHoldingpressure90.0to140MPaBackpressure:0.00to0.500MPa世界聚甲醛POM生产主要集中在美国、西欧和日本等工业发达***和地区，杜邦、塞拉尼斯、巴斯夫、三菱***化学、日本宝理、东丽、波兰ZAT、台塑这几大公司产能占全球POM总产能的83%。2008年世界POM产能为105万t/a，表观需求量为99.2万t。2003～2008年全qiuPOM产能年均增速3.7%，表观消费量增长率为6.1%。近年亚洲聚甲醛的需求量快速增长，2006年世界POM需求总量达到80万吨，亚洲占50％。)