【英文标准名称】:Roundnailswithcoldheadedhead
【原文标准名称】:圆形钉.冷墩头
【标准号】:DIN1152-1944
【标准状态】:作废
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【发布单位】:德国标准化学会(DE-DIN)
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【标准类型】:()
【标准水平】:()
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【摘要】:
【中国标准分类号】:
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【英文标准名称】:Thermalinsulatingproductsforbuildingapplications-Determinationofwatervapourtransmissionproperties
【原文标准名称】:建筑物绝热产品.水蒸汽气散发性能测定
【标准号】:BSEN12086-1997
【标准状态】:现行
【国别】:英国
【发布日期】:1997-11-15
【实施或试行日期】:1997-11-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:建筑物;建筑;定义;定义(术语);测定;扩散系数;材料测试;测量技术;渗透;塑料;特性;选择;蒸汽;测试;测试装置;绝热材料;绝热;厚度;水蒸气渗透性
【英文主题词】:Buildings;Construction;Definition;Definitions;Determination;Diffusioncoefficient;Materialstesting;Measuringtechniques;Permability;Plastics;Properties;Selection;Steam;Testing;Testingdevices;Thermalinsulatingmaterials;Thermalinsulation;Thickness;Watervapourpermeability
【摘要】:ThisEuropeanStandardspecifiestheequipmentandproceduresfordeterminingthewatervapourtransmissionrate,watervapourpermeanceandwatervapourpermeabilityoftestspecimensinthesteadystateunderdifferentsetsofspecifiedtestconditions.Itisapplicabletothermalinsulatingproducts.Itisintendedtobeusedforhomogeneousmaterials(seenote1)andforproductswhichmaycontainintegralskinsorfacingsofdifferentmaterial(s).NOTE1.Amaterialisconsideredtobehomogeneous,withregardtomassdistribution,ifitsdensityisapproximatelythesamethroughout,i.e.ifthemeasureddensityvaluesareclosetoitsmeandensity.NOTE2.Thistestmethodisnotnormallyusedfordeterminingthewatervapourtransmissionpropertiesofsingle,separatevapourbarriers(ofhighdiffusionresistance),suchasprefabricatedfilms,foils,membranesorsheets,duetothelongdurationofthetest.Forproductswithavapourretarderorbarrierwithawatervapourdiffusionequivalentairlayerthicknesssd≥1000m(see3.6),othertestmethodse.g.IR-detectioncanbeusedformeasuringthesingleseparatevapourretarderorbarrier,providedthattheresultsobtainedareinthesamerangeasthevaluesmeasuredinaccordancewiththisstandard.Thewatervapourtransmissionrateandpermeancevaluesarespecifictothetestspecimen(i.e.theproduct)thicknesstested.Forhomogeneousproducts,thewatervapourpermeabilityisapropertyofthematerial.
【中国标准分类号】:Q25
【国际标准分类号】:91_100_60
【页数】:16P.;A4
【正文语种】:英语