ASTM D6578-2008 耐涂写性测定的标准实施规程

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【英文标准名称】:StandardPracticeforDeterminationofGraffitiResistance
【原文标准名称】:耐涂写性测定的标准实施规程
【标准号】:ASTMD6578-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D01.46
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:anti-graffiti;cleanability;graffiti;removal;Graffitiresistance
【摘要】:Graffitionbuildingandstructuresisanongoingandincreasingproblem.Anumberofcoatingshavebeenproducedthatareintendedtoberesistanttotheapplicationofagraffitimarking,ortoprovideasurfacefromwhichsuchmarkingscanbeeasilyremoved.Theproceduresdescribedinthispracticeprovideastandardsetofconditionsthatcanbeusedtoevaluatethegraffitiresistanceofasurface.Graffitiresistancedeterminedaccordingtothispracticeisapplicabletosmoothsurfaces.Graffitiresistanceofthesamecoatingsappliedtoaroughortexturedsurfacemaybelower.Graffitiresistanceofcoatingsdeterminedafternaturalorlaboratoryacceleratedweathering,eitherbeforeoraftermarking,conductedaccordingtothispractice,isconsideredashavingmoreweightthangraffitiresistanceofthesamecoatingdeterminedwithoutweathering.Graffitiresistanceofcoatingsdeterminedafternaturalweatheringshouldbeconsideredashavingmoreweightthangraffitiresistancedeterminedafterlaboratoryacceleratedweathering.1.1Thispracticecoversabasicmethodforevaluatinggraffitiresistanceofcoatings,anduseofthispracticetoevaluategraffitiresistanceofcoatingsafteroutdoororlaboratoryacceleratedexposure(eitherpriortooraftergraffitiisapplied).Graffitiresistanceisbasedonhowadefinedsetofmarkingsisremovedbyadefinedsetofcleaningagents.1.2Thispracticealsodefinesprocedures(optional)toevaluategraffitiremovalafterre-markingwithsubsequentre-cleaning.Itdoesnotaddressrecoatabilityafteracoatingisnolongergraffitiresistant.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G04
【国际标准分类号】:87_020
【页数】:6P.;A4
【正文语种】:英语