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【英文标准名称】:StandardTestMethodforMeasuringtheYieldforAerosolFoamSealants
【原文标准名称】:气溶胶泡沫密封剂流动性测量的标准试验方法
【标准号】:ASTMC1536-2003
【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】:C24.61
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:1气溶胶;2泡沫;3测量;4密封剂;5生产
【英文主题词】:aerosol;aerosolfoam;airbarrierfoamsealant;airexfiltration;airinfiltration;foamsealant;latexfoamsealant;polyurethanefoamsealant
【摘要】:Yieldmeasurementofaerosolfoamsealantsareusedtoindicatetheamountofsealantthatcanbeobtainedfromasinglecanofproduct.Theyielddoesnotpredicttheperformancecapabilityofthefoamsealantproductoritssuitabilityfortheintendedapplication.ProcedureAwasdevelopedforusewithproductsthatcanbevolumetricallymeasuredbysubmersioninwater.ProcedureBwasdevelopedforproductthatcannotbemeasuredbyusingawaterdisplacementmethod.Yieldisoftendependentonthebeadsizedispensed.Extrapolationoftestresultsusingdatameasuredforlargersizebeadstoestimatesmallersizedbeadshasshowninaccuracies.Sinceyieldwillbereportedbasedonthediameterofthecuredbead(notinitialbeadsize),theoperatorshalldeterminethenominalinitialbeadsizerequiredtoproduceaspecificnominalcuredbeaddiameter.Thisfoamcharacteristiccalledx201C;postdispensingcontractionx201D;orx201C;postdispensingexpansionx201D;isdefinedin3.1.3and3.1.4.1.1Thistestmethodcoversthedeterminationofthelinearunitsofspecifieddiameterbeadoffoamsealantthatcanbeobtainedfromasinglecanofaerosolproduct.Four(4)cansarerequiredforeachproductdetermination.1.2Themethodisintendedtoestimatethecontentsoftheaerosolcontainer(1)forpurposesoflabelstatements,and(2)toprovidetheuserinformationneededtoestimatejobrequirements.1.3Suchfoamsealantsareusedforavarietyofenduseapplicationsintendedtoreduceairmovementinthebuildingenvelope.1.4Currentlytwomainfoamsealanttypesareapplicabletothisstandard,singlecomponentpolyurethaneandlatextypes.1.5Thereisnootherknownstandardtestmethodtomeasureaerosolfoamsealantyield.1.6ValuesarereportedinSIunitsonly.Certainapparatusandsupplyitemsarereferencedininch-poundunitsforpurchasingpurposes.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q24
【国际标准分类号】:91_100_50
【页数】:9P.;A4
【正文语种】:


【英文标准名称】:StandardSpecificationforPipingFittingsofWroughtCarbonSteelandAlloySteelforLow-TemperatureService
【原文标准名称】:低温设备用锻制碳素钢和合金钢管配件标准规范
【标准号】:ASTMA420/A420M-2003
【标准状态】:作废
【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(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:低温;管道配件;合金钢;管道;碳素钢;钢;管
【英文主题词】:pipelines;alloysteels;pipefittings;pipes;carbonsteels;steels;lowtemperatures
【摘要】:
【中国标准分类号】:H48
【国际标准分类号】:23_040_40
【页数】:6P;A4
【正文语种】:英语