BS EN 13523-15-2002 卷材覆层金属.试验方法.位变异构现象
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【英文标准名称】:Coilcoatedmetals-Testmethods-Metamerism
【原文标准名称】:卷材覆层金属.试验方法.位变异构现象
【标准号】:BSEN13523-15-2002
【标准状态】:现行
【国别】:英国
【发布日期】:2002-08-08
【实施或试行日期】:2002-08-08
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:条件等色指数;反射特性;覆层材料;定义;定义;金属涂层;试验;涂料;规范(验收);金属;覆层
【英文主题词】:Coatingmaterials;Coatings;Coilcoatings;Definition;Definitions;Indexofmetamerism;Metalcoating;Metals;Paints;Reflectioncharacteristics;Specification(approval);Testing
【摘要】:ThisPartofEN13523definestermsoftheprocedurefordeterminingthemetamerismofacolourmatchofanorganiccoatingonametallicsubstrate.Whentwocolourspecimenshaveidenticalspectralreflectioncurves,theyarematchingunderanyilluminantirrespectiveofitsspectralcharacteristics.Thisistermeda"spectralmatch".Itisalsopossiblefortwocolourspecimenshavingdifferentspectralreflectioncurvestomatchvisuallyunderagivenlightsourcebutnottomatchunderanotherlightsourcewithdifferentspectralcharacteristics;suchmatchesaretermed"metameric".Onequantitativedescriptionofmetamerismistheso-called"metamerismindex".Theinformationofthemetamerismindexisoflimitedvaluewhere△E(instrumentalcolourdifferenceforagivenilluminant,seeEN13523-3:2001)is>0,5.Themetamerismindexisnotsuitedfordeterminingtheabsolutecolourdifferenceorcolourconstancyofagivenspecimenatchangeofilluminant.ThecolourdifferenceunderthereferenceilluminantistobemeasuredincolourcoordinatesL,aandb(seeEN13523-3:2001).Excludedfromthismethodareorganiccoatingsproducingfluorescenceand/orwhicharemulticoloured,pearlescentormetallic.
【中国标准分类号】:A29
【国际标准分类号】:25_220_60
【页数】:10P;A4
【正文语种】:英语
【原文标准名称】:卷材覆层金属.试验方法.位变异构现象
【标准号】:BSEN13523-15-2002
【标准状态】:现行
【国别】:英国
【发布日期】:2002-08-08
【实施或试行日期】:2002-08-08
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:条件等色指数;反射特性;覆层材料;定义;定义;金属涂层;试验;涂料;规范(验收);金属;覆层
【英文主题词】:Coatingmaterials;Coatings;Coilcoatings;Definition;Definitions;Indexofmetamerism;Metalcoating;Metals;Paints;Reflectioncharacteristics;Specification(approval);Testing
【摘要】:ThisPartofEN13523definestermsoftheprocedurefordeterminingthemetamerismofacolourmatchofanorganiccoatingonametallicsubstrate.Whentwocolourspecimenshaveidenticalspectralreflectioncurves,theyarematchingunderanyilluminantirrespectiveofitsspectralcharacteristics.Thisistermeda"spectralmatch".Itisalsopossiblefortwocolourspecimenshavingdifferentspectralreflectioncurvestomatchvisuallyunderagivenlightsourcebutnottomatchunderanotherlightsourcewithdifferentspectralcharacteristics;suchmatchesaretermed"metameric".Onequantitativedescriptionofmetamerismistheso-called"metamerismindex".Theinformationofthemetamerismindexisoflimitedvaluewhere△E(instrumentalcolourdifferenceforagivenilluminant,seeEN13523-3:2001)is>0,5.Themetamerismindexisnotsuitedfordeterminingtheabsolutecolourdifferenceorcolourconstancyofagivenspecimenatchangeofilluminant.ThecolourdifferenceunderthereferenceilluminantistobemeasuredincolourcoordinatesL,aandb(seeEN13523-3:2001).Excludedfromthismethodareorganiccoatingsproducingfluorescenceand/orwhicharemulticoloured,pearlescentormetallic.
【中国标准分类号】:A29
【国际标准分类号】:25_220_60
【页数】:10P;A4
【正文语种】:英语
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