【英文标准名称】:StandardTestMethodforScrubResistanceofPaintsbyAbrasionWeightLoss
【原文标准名称】:磨蚀失重法测定涂料耐磨擦磨损的标准试验方法
【标准号】:ASTMD4213-2008
【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】:D01.42
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:abrasionresistance;resistance/abrasion/wetabrasion/scrub;scrubresistance;washability;wetabrasionresistance;Interiorpaints/coatings;Latexpaints;Scrubresistance;Volumechange;Weightloss;Wetabrasionresistance;Erosion;Acceleratedaging/
【摘要】:Interiorpaintfilmsoftenbecomesoiled,especiallyneardoorways,windows,andplayareas,andfrequentlyneedtobecleanedbyscrubbing.Thistestmethodcoversthedeterminationoftherelativeresistanceofpaintstoerosionwhenscrubbed.Theprecisionofscrubresistancemeasurementsinabsolutephysicalvalues,suchasTestMethodsD2486cycles-to-failureorthistestmethod,microlitresper100cycles,ispoorduetotherelativelylargeeffectofsubtleanddifficult-to-controlvariablesintestconditions.Thetestmethoddescribedhereinminimizesthisproblembyusingastandardcalibrationpanelasanintegralpartofeachscrubbingoperationandrelatingitsweightlosstothatofthepaintfilmundertesttoestablishthelatter''sscrubresistance.Note18212;Thenumericalscrubresistancevaluesobtainedbythistestmethodareofsignificanceonlyinrelationtothespecificcalibrationpaneltypeswithwhichthevalueisobtained.Thus,forexample,ascrubresistancevalueof83withaTypeXcalibrationpanelwouldbereportedas83X.Resultsobtainedbythistestmethoddonotnecessarilyrepresentthescrubresistancethatmightbedeterminedifthetestfilmisallowedtodrybeforetestingappreciablylongerthantheseven-dayperiodspecifiedherein.Resultsobtainedbythistestmethoddonotnecessarilyrelatetoeaseofsoilorstainremoval(alsoreferredtoasx201C;cleanabilityx201D;orx201C;cleansabilityx201D;).TotestforthosecharacteristicsuseTestMethodsD3450andD4828.FIG.1AlignmentofPanelsforScrubbing1.1Thistestmethodcoversanacceleratedprocedurefordeterminingtheresistanceofpaintstoerosioncausedbyscrubbing.(Note:Thetermwetabrasionissometimesusedforscrubbing,andwetabrasionresistanceorscrubbabilityforscrubresistance.)Althoughscrubresistancetestsareintendedprimarilyforinteriorcoatings,theyaresometimesusedwithexteriorcoatingsasanadditionalmeasureoffilmperformance.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G50
【国际标准分类号】:87_040
【页数】:5P.;A4
【正文语种】:英语