JC/T 2125-2012 屋面保温隔热用泡沫混凝土
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基本信息
| 标准名称： | 屋面保温隔热用泡沫混凝土 |
| 发布部门： | 中华人民共和国工业和信息化部 |
| 发布日期： | 2012-12-28 |
| 实施日期： | 2013-06-01 |
| 首发日期： | |
| 作废日期： | |
| 出版社： | 建材工业出版社 |
| 出版日期： | 2013-06-01 |
适用范围
本标准规定了屋面保温隔热用泡沫混凝土的术语和定义、分类和标记、原材料、要求、试验方法、制造和运输、检验规则和产品合格证。
本标准适用于工业与民用现场浇注的屋面保温隔热用泡沫混凝土。
前言
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目录
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引用标准
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所属分类： 能源 核技术 能源 核技术综合 技术管理 能源和热传导工程 能源和热传导工程综合
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【英文标准名称】:StandardPracticeforSelectionofWaterVaporRetardersforThermalInsulation
【原文标准名称】:热绝缘用水蒸气缓凝剂选择的标准实施规程
【标准号】:ASTMC755-2010
【标准状态】:现行
【国别】:
【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】:(Practice)
【标准水平】:()
【中文主题词】:设计;材料;选择;隔热
【英文主题词】:design;materials;selection;thermalinsulation
【摘要】:Experiencehasshownthatuncontrolledwaterentryintothermalinsulationisthemostseriousfactorcausingimpairedperformance.Waterentryintoaninsulationsystemmaybethroughdiffusionofwatervapor,airleakagecarryingwatervapor,andleakageofsurfacewater.Applicationspecificationsforinsulationsystemsthatoperatebelowambientdew-pointtemperaturesshouldincludeanadequatevaporretardersystem.Thismaybeseparateanddistinctfromtheinsulationsystemormaybeanintegralpartofit.Forselectionofadequateretardersystemstocontrolvapordiffusion,itisnecessarytoestablishacceptablepracticesandstandards.VaporRetarderFunction8212;Waterentryintoaninsulationsystemmaybethroughdiffusionofwatervapor,airleakagecarryingwatervapor,andleakageofsurfacewater.Theprimaryfunctionofavaporretarderistocontrolmovementofdiffusingwatervaporintoorthroughapermeableinsulationsystem.Thevaporretardersystemaloneisseldomintendedtopreventeitherentryofsurfacewaterorairleakage,butitmaybeconsideredasasecondlineofdefense.VaporRetarderPerformance8212;Designchoiceofretarderswillbeaffectedbythicknessofretardermaterials,substratetowhichapplied,thenumberofjoints,availablelengthandwidthofsheetmaterials,usefullifeofthesystem,andinspectionprocedures.Eachofthesefactorswillhaveaneffectontheretardersystemperformanceandeachmustbeconsideredandevaluatedbythedesigner.Althoughthispracticeproperlyplacesmajoremphasisonselectingthebestvaporretarders,itmustberecognizedthatfaultyinstallationtechniquescanimpairvaporretarderperformance.Theeffectivenessofinstallationorapplicationtechniquesinobtainingdesignwatervaportransmission(WVT)performancemustbeconsideredintheselectionofretardermaterials.Asanexampleoftheevaluationrequired,itmaybeimpracticaltospecifyalowerx201C;asinstalledx201D;value,becausedifficultiesoffieldapplicationoftenwillprecludex201C;asinstalledx201D;attainmentoftheinherentWVTvaluesofthevaporretardermaterialsused.Thedesignercouldapproachthisrequirementbyselectingamembraneretardermaterialthathasalowerpermeancemanufacturedin5-ft(1.5-m)widthorasheetmaterial20ft(6.1m)widehavingahigherpermeance.Thesealternativesmaybeapproximatelyequivalentonaninstalledbasissincethewidermaterialhasfewerseamsandjoints.Foranotherexample,whenselectingmasticorcoatingretardermaterials,thechoiceofaproducthavingapermeancevaluesomewhathigherthanthelowestobtainablemightbejustifiedonthebasisofitseasierapplicationtechniques,thusensuringx201C;asinstalledx201D;systemattainmentofthespecifiedpermeance.Thepermeanceofthesubstrateanditseffectsontheapplicationoftheretardermaterialmustalsobeconsideredinthiscase.1.1Thispracticeoutlinesfactorstobeconsidered,describesdesignprinciplesandproceduresforwatervaporretarderselection,anddefineswatervaportransmissionvaluesappropriateforestablishedcriteria.Itisintendedfortheguidanceofdesignengineersinpreparingvaporretarderapplicationspecificationsforcontrolofwatervaporflowthroughthermalinsulation.Itcoverscommercialandresidentialbuildingconstructionandindustrialapplicationsintheservicetemperaturerangefromx2212;40to+150x00B0;F(x2212;40to......
【中国标准分类号】:
【国际标准分类号】:91_120_10
【页数】:12P.;A4
【正文语种】:
【原文标准名称】:热绝缘用水蒸气缓凝剂选择的标准实施规程
【标准号】:ASTMC755-2010
【标准状态】:现行
【国别】:
【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】:(Practice)
【标准水平】:()
【中文主题词】:设计;材料;选择;隔热
【英文主题词】:design;materials;selection;thermalinsulation
【摘要】:Experiencehasshownthatuncontrolledwaterentryintothermalinsulationisthemostseriousfactorcausingimpairedperformance.Waterentryintoaninsulationsystemmaybethroughdiffusionofwatervapor,airleakagecarryingwatervapor,andleakageofsurfacewater.Applicationspecificationsforinsulationsystemsthatoperatebelowambientdew-pointtemperaturesshouldincludeanadequatevaporretardersystem.Thismaybeseparateanddistinctfromtheinsulationsystemormaybeanintegralpartofit.Forselectionofadequateretardersystemstocontrolvapordiffusion,itisnecessarytoestablishacceptablepracticesandstandards.VaporRetarderFunction8212;Waterentryintoaninsulationsystemmaybethroughdiffusionofwatervapor,airleakagecarryingwatervapor,andleakageofsurfacewater.Theprimaryfunctionofavaporretarderistocontrolmovementofdiffusingwatervaporintoorthroughapermeableinsulationsystem.Thevaporretardersystemaloneisseldomintendedtopreventeitherentryofsurfacewaterorairleakage,butitmaybeconsideredasasecondlineofdefense.VaporRetarderPerformance8212;Designchoiceofretarderswillbeaffectedbythicknessofretardermaterials,substratetowhichapplied,thenumberofjoints,availablelengthandwidthofsheetmaterials,usefullifeofthesystem,andinspectionprocedures.Eachofthesefactorswillhaveaneffectontheretardersystemperformanceandeachmustbeconsideredandevaluatedbythedesigner.Althoughthispracticeproperlyplacesmajoremphasisonselectingthebestvaporretarders,itmustberecognizedthatfaultyinstallationtechniquescanimpairvaporretarderperformance.Theeffectivenessofinstallationorapplicationtechniquesinobtainingdesignwatervaportransmission(WVT)performancemustbeconsideredintheselectionofretardermaterials.Asanexampleoftheevaluationrequired,itmaybeimpracticaltospecifyalowerx201C;asinstalledx201D;value,becausedifficultiesoffieldapplicationoftenwillprecludex201C;asinstalledx201D;attainmentoftheinherentWVTvaluesofthevaporretardermaterialsused.Thedesignercouldapproachthisrequirementbyselectingamembraneretardermaterialthathasalowerpermeancemanufacturedin5-ft(1.5-m)widthorasheetmaterial20ft(6.1m)widehavingahigherpermeance.Thesealternativesmaybeapproximatelyequivalentonaninstalledbasissincethewidermaterialhasfewerseamsandjoints.Foranotherexample,whenselectingmasticorcoatingretardermaterials,thechoiceofaproducthavingapermeancevaluesomewhathigherthanthelowestobtainablemightbejustifiedonthebasisofitseasierapplicationtechniques,thusensuringx201C;asinstalledx201D;systemattainmentofthespecifiedpermeance.Thepermeanceofthesubstrateanditseffectsontheapplicationoftheretardermaterialmustalsobeconsideredinthiscase.1.1Thispracticeoutlinesfactorstobeconsidered,describesdesignprinciplesandproceduresforwatervaporretarderselection,anddefineswatervaportransmissionvaluesappropriateforestablishedcriteria.Itisintendedfortheguidanceofdesignengineersinpreparingvaporretarderapplicationspecificationsforcontrolofwatervaporflowthroughthermalinsulation.Itcoverscommercialandresidentialbuildingconstructionandindustrialapplicationsintheservicetemperaturerangefromx2212;40to+150x00B0;F(x2212;40to......
【中国标准分类号】:
【国际标准分类号】:91_120_10
【页数】:12P.;A4
【正文语种】:
基本信息
| 标准名称： | 表面活性剂 工业烷烃磺酸盐 烷烃单磺酸盐平均相对分子量及含量的测定 |
| 英文名称： | Surface active agent-Technical alkane sulfonates-Determination of mean relative molecular mass and content of alkane monosulfonates |
| 中标分类： | 化工 >> 化学助剂、表面活性剂、催化剂、水处理剂 >> 表面活性剂基础标准与通用方法 |
| ICS分类： | 化工技术 >> 化工产品 >> 表面活性剂及其他助剂 |
| 替代情况： | 被GB/T 11988-2008代替 |
| 发布部门： | 国家技术监.局 |
| 发布日期： | 1989-12-25 |
| 实施日期： | 1990-12-01 |
| 首发日期： | 1989-12-25 |
| 作废日期： | 2009-09-01 |
| 主管部门： | 中国轻工业联合会 |
| 提出单位： | 中华人民共和国轻工业部 |
| 归口单位： | 轻工业部日用化学工业科学研究所 |
| 起草单位： | 轻工业部日用化学工业科学研究所 |
| 出版社： | 中国标准出版社 |
| 出版日期： | 1900-01-01 |
| 页数： | 5页 |
适用范围
本标准规定了一种测定仅含徽量烷烃的工业烷烃成酸盐中的烷烃单磺酸盆平均相对分子量及含量的方法.
本标准适用于烷烃磺抓酷化和磺氧化产品的所有碱金属盐。
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类： 化工 化学助剂 表面活性剂 催化剂 水处理剂 表面活性剂基础标准与通用方法 化工技术 化工产品 表面活性剂及其他助剂
