旭化成POM 3013A
旭化成POM3013A---3013aisaPOMhomopolymer,.Itis***ailableinNorthAmerica,AfricaandtheMiddleEast,EuropeorAsiaPacific.Tenac™Theapplicationareasof3013aincludeengineering/industrialaccessories,automotiveindustryandhousing.Featuresinclude:HighstiffnesshighstrengthhighviscosityHomopolymerCreepresistancePhysicalperformanceratingunitsystemtestmethodSpecificgr***ity:1.42g/cm?ASTMD792,ISO1183Meltflowrate(meltflowrate)(190°C/2.16kg)2.8g/10minISO1133Shrinkage-flow1.8to2.2%internalmethodWaterabsorption(23°C,24hr,50%RH)0.20%ASTMD570HardnessratingunitsystemtestmethodRockwellhardnessASTMd785Gradem94ASTMd785Grader120ASTMd785MechanicalpropertiesratingunitsystemtestmethodTensilemodulus2900MPaISO527-2TensilestressYield69.0MPaISO527-2--72.0MPaASTMD638elongationFracture50%ASTMD638Fracture45%ISO527-2Bendingmodulus--2700MPaASTMD790--2600MPaISO178Bendingstrength:93.0MPaASTMD790Taberabrasionresistance:13.0mgASTMd1044ImpactperformanceratingunitsystemtestmethodNotchedimpactstrengthofsimplysupportedbeam:13kJ/M?ISO179Notchedimpactstrengthofcantileverbeamis120J/MASTMD256正是由于结构上的不同,导致均聚和共聚甲醛在各项性能下存在差异。两者主要区别是:均聚甲醛密度、结晶度较高,熔点与HDT较共聚甲醛高10℃,强度、耐蠕变性能和耐摩擦性能更优越,但热稳定性差,加工温度范围窄约10℃,对酸硷的稳定性较低。共聚甲醛密度、结晶度、熔点、强度都较低,但热稳定性相对较好,不容易分解,加工温度范围宽30~50℃,对酸硷稳定性较好)
东莞市晶宏塑胶原料有限公司
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