【英文标准名称】:StandardSpecificationforFlexible,LowPermeanceVaporRetardersforThermalInsulation
【原文标准名称】:隔热用柔性低渗透性蒸汽缓凝剂标准规范
【标准号】:ASTMC1136-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:C16.33
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:flexible;lowpermeance;thermalinsulation;vaporretarders;Condensation;Flammability--buildingmaterials;Humidity;Low-temperatureserviceapplications;Puncturetesting;Thermalinsulatingmaterials--specifications;Thermalinsulatingmaterials(wat
【摘要】:Entrapmentofwaterinthermalinsulationcausedbycondensationofwatervaporthathaspenetratedintotheinsulationisdetrimentaltothethermalresistanceoftheinsulation.Forthisreason,incertaininstallationswheretemperatureandmoistureconditionshavethepotentialtocreateavapordrivingforcetowardtheinsulation,adeterrenttothepassageofsuchvaporintotheinstalledinsulationneedstobeprovided.Thisistheprimaryfunctionofthevaporretarder.Inadditiontothefunctionstatedin9.1,avaporretarderhasthepotentialtoprovidephysicalprotectionandaddedstrengthtotheinsulationsystem.Thisspecificationisusedtospecifymaterialbyphysicalpropertyrequirementsthataddresstheaboveprerequisites.Thedesignerofaninsulationsystem,afterdeterminingthedegreeofprotectionneededfortheinsulation,canusethisspecificationtospecifytheappropriatetypeofvaporretarderwhenoneisrequired.1.1Thisspecificationcoversvaporretardersforthermalinsulation,specifically,flexiblematerialswithpermeanceof0.10permorlowerandsurfaceburningcharacteristicsof25flamespread/50smokeorlower.Thesematerialsareintendedforuseatsurfacetemperaturesofx2212;20to150x00B0;F(x2212;29to66x00B0;C).Itdoesnotcovermasticsorbarriercoatingsappliedinliquidform,normaterialsintendedforuseasweatherbarriers.1.2ThisisamaterialspecificationanddoesnotimplythataninstalledsystemusingthesematerialswillprovidethephysicalpropertiesspecifiedinSection6.1.3Thisspecificationprovidesphysicalrequirementsforvaporretarders.PracticeC755providesassistanceinsolvingproblemsrelatedtomoisturevaportransmissionthroughthermalinsulationmaterials.1.4Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.5Thefollowingprecautionarycaveatpertainstothetestmethodsportiononly,Section10,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q25
【国际标准分类号】:91_100_60
【页数】:4P.;A4
【正文语种】:英语


【英文标准名称】:ERRATUM
【原文标准名称】:勘误表
【标准号】:JISB0131ERRATUM1-2003
【标准状态】:现行
【国别】:日本
【发布日期】:
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JP-JISC)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:J71
【国际标准分类号】:
【页数】:
【正文语种】:日语