【英文标准名称】:StandardMethodforMeasurementofStainResistanceofAnodicCoatingsonAluminum
【原文标准名称】:铝表面阳极镀层的着色阻力的标准测定方法
【标准号】:ASTMB136-1984(2008)e1
【标准状态】:现行
【国别】:美国
【发布日期】:1984
【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】:B08.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:Anodiccoatings--Al/Alalloys);Aluminumcoatings;Stainingprocess/analysis;Aluminumalloys(anodiccoatings);Stainresistance
【摘要】:1.1Thismethodisintendedtodeterminewhetheranodicoxidecoatingsonaluminumanditsalloys,thathaveundergoneasealingtreatmentandcontactwithanacidsolution,arestainproofornonadsorptivewithrespecttodyes.1.2Coatingsthathavebeenproperlysealedshouldbeproofagainstadsorptionofcoloringmaterialsand,hence,x201C;nonstainingx201D;inmanytypesofservice.1.3Thismethodisapplicabletoanodiccoatingsintendedforapplicationswheretheyareexposedtotheweather,orforprotectivepurposesincorrosivemedia,andwhereresistancetostainingisimportant.Note18212;Performanceinthistestispredictiveonlyofsusceptibilitytostainbydyes.Itisnotintendedtobepredictiveofotherfactorsinserviceperformancesuchaspittingorgeneralcorrosion.Note28212;ForAluminumAssociationClassIandIIarchitecturalanodiccoatingsthataresealedinsolutionscontaininglessthan15ppmsilicatesor3ppmphosphates,theacidpretreatmentmaybeomitted.1.4Inthecaseofcoatingscoloredindeepshades,whereestimationoftheintensityofanyresidualdyestainisdifficult,interpretationofthetestisbasedonwhetherornottheoriginalcolorhasbeenaffectedbytheactionofthetest.1.5Thismethodisnotapplicableto:1.5.1Chromicacidtypeanodiccoatings.1.5.2Anodiccoatingsonaluminumalloyscontainingmorethan2mass%Cuor4.5mass%Si.1.5.3Anodiccoatingsthathavebeensealedonlyindichromatesolutions.1.5.4Anodiccoatingsthathaveundergoneatreatmenttorenderthemhydrophobic.1.6ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityofwhoeverusesthisstandardtoconsultandestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A29
【国际标准分类号】:25_220_20
【页数】:2P.;A4
【正文语种】:英语