ASTM D7377-2009 路标漆耐水洗刷性评定的标准实施规程

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【英文标准名称】:StandardPracticeforEvaluatingtheWaterWash-OffResistanceofTrafficPaintsusingaWaterFaucet
【原文标准名称】:路标漆耐水洗刷性评定的标准实施规程
【标准号】:ASTMD7377-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D01.44
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:rainresistance;trafficpaint;waterresistance;waterwash-off;waterwash-out;Paint(traffic);Resistanceandresistivity(water)
【摘要】:Afterwaterbornetrafficpaintsareappliedtoaroad,airstrip,orparkinglotpavement,itisimportantthatthepaintfilmsbesufficientlyhardened,coalesced,orcuredsotheywillnotberemovedbyrain.Thispracticecanbeusedtodeterminetherelativeperformanceofbindersandothercomponentswithintrafficpaintfortheireffectonthewater-washoffresistanceofthecoating.Somekeyelementsofthecoatingthatmayaffectwater-wash-offperformancearethequalityandtypeoflatexbinder,thedrytimeofthecoating(oftenconductedbyTestMethodD711),pigmentvolumeconcentration(PVC),andtherelativewatersensitivityofadditives(forexample,pigmentdispersants,andsurfactants)inthecoating.1.1Atrafficpaintfilmfreshlyappliedtoaroadway,airstrip,orparkinglotmaybeexposedtorainofvaryingintensitiesshortlyafterapplication.Thispracticewasdesignedtodeterminetherelativewaterwash-offresistanceofanappliedtrafficpaintfilmundercontrolledlaboratoryconditionsusingawaterfaucettosimulateaheavyrain.Thislaboratorypracticecanalsobeusedtocompareconventionalandfast-drywaterbornetrafficpaintsandtheeffectsofbindersandothercomponentsintrafficfortheirrelativeabilitytowithstandaheavyrainsoonafterapplication.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G51
【国际标准分类号】:93_080_30
【页数】:4P.;A4
【正文语种】:英语