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【英文标准名称】:StandardTestMethodforLevelingofPaintsbyDraw-DownMethod
【原文标准名称】:牵伸法测定涂料平整性的标准试验方法
【标准号】:ASTMD4062-1999(2003)
【标准状态】:现行
【国别】:
【发布日期】:1999
【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】:涂漆;涂料;整平;颜色;试验;覆层
【英文主题词】:levelingofpaints;rheologicalproperties,flow
【摘要】:Levelingcanaffectthehidingandappearanceofappliedarchitecturalcoatings,thepresenceofbrushmarksandsurfaceirregularitiesbeingmoreconspicuouswithglossandsemi-glossfinishesthanwithflatfinishes.Instrumentalevaluationsoflevelingbythistestmethodhavebeenshowntocorrelatewiththosemadebybrushapplication.1.1Thistestmethodcoversthelaboratorydeterminationoftherelativelevelingofwaterandsolvent-reduciblearchitecturalpaintsinwhiteandlighttintsbycomparingtheridgesproducedinadraw-downfilmtoaseriesofplasticlevelingstandards.1.2Unpigmented,texture,anddeep-tintcoatingscannotbereadilyevaluatedwiththeshadowingproducedbyobliquelightingemployedinthistestmethod.Suchcoatingsmayberatedbycomparingthemwiththeplasticstandardsatvariousanglesofreflection.Forthispurposeordinaryroomlightingissatisfactory.1.3Sinceotherfactorsmayinfluencethetendencyofliquidpaintstosag,thistestmethodisnotintendedtomeasuresagging.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G50
【国际标准分类号】:87_040
【页数】:4P.;A4
【正文语种】: