ASTM E2321-2003 外部绝缘和装饰系统水蒸气透过性测定用E96试验方法使用的标准规程

作者:标准资料网 时间:2024-05-17 09:29:47  浏览:8554   来源:标准资料网

【英文标准名称】:StandardPracticeforUseofTestMethodsE96forDeterminingtheWaterVaporTransmission(WVT)ofExteriorInsulationandFinishSystems(EIFS)
【原文标准名称】:外部绝缘和装饰系统水蒸气透过性测定用E96试验方法使用的标准规程
【标准号】:ASTME2321-2003
【标准状态】:现行
【国别】:
【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】:E06.58
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:ASTMTestMethodsE96;condensation;EIFS;exteriorinsulationandfinishsystem;finish;insulation;moisture;permeability;permeance;reinforcedbasecoat;reinforcingmesh;watervapor;watervaportransmission;WVT
【摘要】:ThepurposeofthistestistoobtainsteadystatevaluesofwatervaportransferthroughtheEIFSsample.ThischaracteristicofEIFSiscommonlyrequestedbyregulatoryanddesignorganizations,andisusedinthermalandmoisturestudiesofbuildingwalls.ThedegreetowhichanEIFSallowswatervaportopassthroughitcanaffecttheperformanceofanEIFSwallassembly.Apermeancevalueobtainedunderonesetoftestconditionsdoesnotindicatethevalueunderadifferentsetofconditions.Forthisreason,thetestconditionsselectedarethosethatmostcloselyapproachtheconditionsofuseforEIFScomponentsandassemblies.ThisstandardshouldnotbeusedaloneasthesolemeansforevaluatingthewatervaportransmissioncharacteristicsofagivenEIFSwallassembly.Othermethodsareavailable,andshouldbeconsideredandusedasappropriate.TobemeaningfulinevaluatingthethermalandmoistureconditionofagivenEIFSwallassembly,thespecimensusedinthisstandardshouldrepresentcloselythematerialsthatactuallyexist,orwillexist,onagivenbuilding.1.1ThisstandarddescribeshowtouseTestMethodsE96todeterminethewatervaportransmission(WVT)characteristicsofanEIFSsample.1.2AnExteriorInsulationandFinishSystem(EIFS)isamultilayerexteriorbuildingwallmaterialthatconsistsofanumberoflayers.Forthepurposeofthisstandard,theselayers,whethertheybeindividualEIFScomponentmaterialsinsinglelayers,orgroupsofEIFScomponentmaterials,arecalledthe"EIFSsample."1.3TheWaterMethod,ProceduresBandDdescribedinsectionX1.1.2andX1.1.5ofAppendixX1ofTestMethodsE96shallbeusedinthisstandard.1.4Thisstandardislimitedtospecimensnotover11/4in.(32mm)inthickness,exceptasprovidedinSection9ofthisstandard.1.5Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Metricinch-poundconversionfactorsforwatervaportransmission,permeance,andpermeabilityarestatedinTable1ofTestMethodsE96.AllconversionsofmmHgtoPaaremadeatatemperatureof0176;C.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q17
【国际标准分类号】:91_120_30
【页数】:3P.;A4
【正文语种】: