【英文标准名称】:StandardTestMethodforUnsteady-StateHeatTransferEvaluationofFlameResistantMaterialsforClothingwithBurnInjuryPrediction
【原文标准名称】:评估阻燃服装材料的非稳态传热进行烧伤预测的标准试验方法
【标准号】:ASTMF2703-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:F23.80
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:apparel;protectiveclothing;thermalheatprotection;thermalperformanceestimate,flameresistance
【摘要】:Thistestmethodisintendedforthedeterminationofathermalperformanceestimatevalueofamaterial,acombinationofmaterials,oracomparisonofdifferentmaterialsusedinflameresistantclothingforworkersexposedtocombinedconvectiveandradiantthermalhazards.Thistestmethodevaluatesamaterialx2019;sheattransferpropertieswhenexposedtoaheatexposureataconstantvalueandspecificduration.Airmovementatthefaceofthespecimenandaroundthecalorimetercanaffectthemeasuredheattransferredduetoforcedconvectiveheatlosses.Minimizingairmovementaroundthespecimenandtestapparatuswillaidintherepeatabilityoftheresults.Thistestmethodaccountsforthethermalenergystoredintheexposedtestspecimenaftertheheatexposurehasceased.HighervaluesofThermalPerformanceEstimateratingsdeterminedinthistestassociatetohighervaluesofthermal(convectiveandradiative)energyprotectionagainstapredictedskinburninjury.Thistestmethodmaintainsthespecimeninastatic,horizontalpositionanddoesnotinvolvemovementexceptthatresultingfromtheexposure.Thistestmethodspecifiesastandardized84x00B1;2kW/m2(2x00B1;0.05cal/cm2s)exposurecondition.Differentexposureconditionshavethepotentialtoproducedifferentresults.Otherexposureconditionsrepresentativeoftheexpectedhazardareallowedbutshallbereportedwiththeresultsalongwithadeterminationoftheexposureenergylevelstability.ThistestmethodcontainsoptionalprovisionsforconductingcertificationtestingagainstaprescribedThermalPerformanceEstimatevalue.1.1Thistestmethodmeasuresthenon-steadystateheattransferthroughflameresistantmaterialsforclothingsubjectedtoacombinedconvectiveandradiantheatexposure.1.1.1Thistestmethodisnotapplicabletomaterialsthatarenotflameresistant.Note18212;Thedeterminationofamaterialx2019;sflameresistanceshallbemadepriortotestinganddoneinaccordancewiththeapplicableperformanceand/orspecificationstandardforthematerialx2019;send-use.1.1.2Thistestmethodaccountsforthethermalenergycontainedinanexposedtestspecimenafterthestandardizedcombinedconvectiveandradiantheatexposurehasceasedandisusedtoestimateperformancetoapredictedsecond-degreeskinburninjury.1.2Thistestmethodisusedtomeasureanddescribetheresponseofmaterials,products,orassembliestoheatundercontrolledconditions,butdoesnotbyitselfincorporateallfactorsrequiredforfirehazardorfireriskassessmentofthematerials,products,orassembliesunderactualfireconditions.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesaremathematicalconversionstoinch-poundorotherunitsthatarecommonlyusedforthermaltesting.1.4Thisstandarddoesnotpurporttoaddressthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:C73
【国际标准分类号】:13_340_10
【页数】:16P.;A4
【正文语种】:英语