ASTM F2702-2008 评估阻燃服装材料的辐射热性能进行烧伤预测的标准试验方法

作者:标准资料网 时间:2024-05-16 04:55:17  浏览:9131   来源:标准资料网

【英文标准名称】:StandardTestMethodforRadiantHeatPerformanceofFlameResistantClothingMaterialswithBurnInjuryPrediction
【原文标准名称】:评估阻燃服装材料的辐射热性能进行烧伤预测的标准试验方法
【标准号】:ASTMF2702-2008
【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;radiantheatprotection;radiantheatperformance,flameresistance
【摘要】:Thistestmethodisintendedforthedeterminationoftheradiantheatperformancevalueofamaterial,acombinationofmaterials,oracomparisonofdifferentmaterialsusedinflameresistantclothingforworkersexposedtoradiantthermalhazards.Thistestmethodevaluatesamaterialx2019;sheattransferpropertieswhenexposedtoaheatexposureataconstantvalueandsystematicallyvarieddurations.Airmovementatthefaceofthespecimenandaroundthecalorimetercanaffectthemeasuredheattransferredduetoforcedconvectiveheatlosses.Minimizingairmovementaroundthespecimenandtestapparatuswillaidintherepeatabilityoftheresults.Thistestmethodaccountsforthethermalenergycontainedintheexposedtestspecimenaftertheradiantheatexposurehasceased.HighervaluesofRadiantHeatPerformanceratingdeterminedinthistestassociatetohighervaluesofradiantenergyprotectionagainstapredictedskinburninjury.Thistestmethodmaintainsthespecimeninastatic,verticalpositionanddoesnotinvolvemovementexceptthatresultingfromtheexposureprocedure.Thistestmethodspecifiestwostandardsetsofexposureconditions,21kW/m2(0.5cal/cm2s)and84kW/m2(2.0cal/cm2s).Eithercanbeused.5.5.1Ifadifferentsetofexposureconditionsisused,itislikelythatdifferentresultswillbeobtained.5.5.2Theoptionaluseofotherconditionsrepresentativeoftheexpectedhazard,inadditiontothestandardsetofexposureconditions,ispermitted.However,theexposureconditionsusedmustbereportedwiththeresultsalongwithadeterminationoftheexposureenergylevelstability.1.1Thistestmethodmeasuresthermalprotectivecharacteristicsofflameresistanttextilematerialssubjectedtoastandardizedradiantheatexposurerelativetoapredictedsecond-degreeskinburninjury.1.1.1Thistestmethodisnotapplicabletotextilematerialsthatarenotflameresistant.Note18212;Thedeterminationofatextilematerialx2019;sflameresistanceshallbemadepriortotestinganddoneaccordingtotheapplicableperformanceand/orspecificationstandardforthetextilematerialx2019;send-use.1.1.2Thistestmethodaccountsforthethermalenergycontainedinanexposedtestspecimenafterthestandardizedradiantheatexposurehasceased.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】:17P.;A4
【正文语种】:英语