【英文标准名称】:StandardTestMethodsforLightfastnessofColorantsUsedinArtists'Materials
【原文标准名称】:绘画涂料中使用的颜料耐光性的标准试验方法
【标准号】:ASTMD4303-2006
【标准状态】:作废
【国别】:
【发布日期】:2006
【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】:D01.57
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:覆层;耐光性;涂漆;涂料;颜料;试验
【英文主题词】:artmaterials;colorants;lightfastness;lightfastnesscategories;relativehumidity;testspecimens;windowglassfiltereddaylightexposure;xenonarc
【摘要】:1.1Fourtestmethodstoacceleratetheeffectsoflongtermindoorilluminationonartists'materialsaredescribedbelow.Oneofthenaturaldaylightmethodsandoneofthexenon-arcmethodsareusedtocategorizethelightfastnessofcolorants.1.1.1TestMethodAExposureinsouthernFloridatonaturaldaylightfilteredthroughwindowglass.1.1.2TestMethodBExposureinArizonatonaturaldaylightfilteredthroughwindowglass.1.1.3TestMethodCExposureinanon-humiditycontrolledxenon-arcdevicesimulatingdaylightfilteredthroughwindowglass.1.1.4TestMethodDExposureinahumiditycontrolledxenon-arcdevicesimulatingdaylightfilteredthroughwindowglass.1.2Thesetestmethodsareusedtoapproximatethecolorchangethatcanbeexpectedovertimeincolorantsusedinartists'materialsexposedindoorstodaylightthroughwindowglass.Note1Thecolorchangesthatresultfromacceleratedexposuremaynotduplicatetheresultsofnormalindoorexposureinahome,artgallery,ormuseum.Therelativeresistancetochange,however,canbeestablishedsocoloredmaterialscanbeassignedtocategoriesofrelativelightfastness.Note2UserswhowishtotestcoloredmaterialsunderfluorescentilluminationshouldconsultPracticeD4674.1.3Lightfastnesscategoriesareestablishedtowhichcolorantsareassignedbasedonthecolordifferencebetweenspecimensbeforeandafterexposure.1.4ColordifferenceunitsarecalculatedbytheCIE1976L*a*b*colordifferenceequation.1.5Thesetestmethodsapplytocoloredartists'materials.1.6ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G53
【国际标准分类号】:87_060_10
【页数】:9P.;A4
【正文语种】: