ASTM F2299/F2299M-2003(2010) 利用胶乳球测定医用面具材料粒子渗透性初始效率的标准试验方法

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【英文标准名称】:StandardTestMethodforDeterminingtheInitialEfficiencyofMaterialsUsedinMedicalFaceMaskstoPenetrationbyParticulatesUsingLatexSpheres
【原文标准名称】:利用胶乳球测定医用面具材料粒子渗透性初始效率的标准试验方法
【标准号】:ASTMF2299/F2299M-2003(2010)
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:F23.40
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:filtration;medicalfacemask;particlefiltrationefficiency;particles;particulate;Efficiency;Filtrationperformance;Initialconditions;Initialparticlefiltrationefficiency;Latexspheres;Medicalfacemasks;Monodisperseparticulatematerial
【摘要】:Thistestmethodmeasurestheinitialfiltrationefficiencyofmaterialsusedinmedicalfacemasksbysamplingrepresentativevolumesoftheupstreamanddownstreamlatexaerosolconcentrationsinacontrolledairflowchamber.Thistestmethodprovidesspecifictesttechniquesforbothmanufacturersanduserstoevaluatematerialswhenexposedtoaerosolparticlesizesbetween0.1and5.0x03BC;m.Thistestmethodestablishesabasisofefficiencycomparisonbetweenmedicalfacemaskmaterials.Thistestmethoddoesnotestablishacomprehensivecharacterizationofthemedicalfacemaskmaterialforaspecificprotectiveapplication.Thistestmethoddoesnotassesstheoveralleffectivenessofmedicalfacemasksinpreventingtheinwardleakageofharmfulparticles.Thedesignofthemedicalfacemaskandtheintegrityofthesealofthemedicalfacemasktothewearer''sfacearenotevaluatedinthistest.Thistestmethodisnotsuitableforevaluatingmaterialsusedinprotectiveclothingfordeterminingtheireffectivenessagainstparticulatehazards.Ingeneral,clothingdesignisasignificantfactor,whichmustbeconsideredinadditiontothepenetrationofpenetrationofparticulates.1.1Thistestmethodestablishesproceduresformeasuringtheinitialparticlefiltrationefficiencyofmaterialsusedinmedicalfacemasksusingmonodispersedaerosols.1.1.1Thistestmethodutilizeslightscatteringparticlecountinginthesizerangeof0.1to5.0x03BC;mandairflowtestvelocitiesof0.5to25cm/s.1.2Thetestproceduremeasuresfiltrationefficiencybycomparingtheparticlecountinthefeedstream(upstream)tothatinthefiltrate(downstream).1.3ThevaluesstatedinSIunitsorinotherunitsshallberegardedseparatelyasstandard.Thevaluesstatedineachsystemmustbeusedindependentlyoftheother,withoutcombiningvaluesinanyway.1.4Thefollowingprecautionarycaveatpertainsonlytothetestmethodsportion,Section10,ofthisspecification.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:C48
【国际标准分类号】:11_120_20
【页数】:8P.;A4
【正文语种】:英语