ASTM D7489-2009 评价建筑涂料在不同环境条件下的修补性能的标准规程

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【英文标准名称】:StandardPracticeforEvaluatingTouch-UpPropertiesofArchitecturalCoatingsunderVariousEnvironmentalConditions
【原文标准名称】:评价建筑涂料在不同环境条件下的修补性能的标准规程
【标准号】:ASTMD7489-2009
【标准状态】:现行
【国别】:
【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】:D01.42
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:colordifference;latexpaint;sheendifference;touch-up
【摘要】:Duringconstructionofahome,paintsaresubjectedtoawidevarietyofdryingconditions,andthismayexhibitdifferencesbetweentheoriginalcoatandthetouched-upareainappearanceafteritsfullcure.Therefore,ititessentialforthepainttobeabletoperformunderawidevarietyofdryingconditions.Apaintthatdoesthisisveryadvantageoustothecontractor.Itispossibleforapainttohaveexcellentcolortouch-up,butpoorsheentouch-up,orvice-versa.Theidealpaintwillhavebothexcellentcolorandsheentouch-upundertestingconditions.Color,glossandbasechoicecanhaveamajorimpactontouch-upofthepaint.1.1Thispracticedeterminestheabilityofapainttoberecoatedorx201C;touchedupx201D;insmallareas.Variationsincolor,gloss,andsheenthatresultinadifferentappearancefromtheoriginalpaintcanbeevaluatedvisually.1.2Thispracticedescribesevaluationoftouch-upcharacteristicsinalaboratory-scalecontrolledenvironmentasopposedtoafull-scalefieldenvironment.1.3Evaluationoftouch-uppropertiesunderconstantdryingconditionsisdescribed.Environmentalconditionscanbeadjustedtoincorporatehighorlowtemperaturedrying,orboth.Thechangesinapplicationtemperaturecanleadtolargerdifferencesintouch-upthanapplyingbothcoatsunderthesameenvironmentalconditions.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:
【国际标准分类号】:87_040
【页数】:5P.;A4
【正文语种】: