ASTM D6762-2002a(2009)e1 通过喷涂层的外观评价测定涂料遮盖能力的标准试验方法

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【英文标准名称】:StandardTestMethodforDeterminingtheHidingPowerofPaintbyVisualEvaluationofSprayAppliedCoatings
【原文标准名称】:通过喷涂层的外观评价测定涂料遮盖能力的标准试验方法
【标准号】:ASTMD6762-2002a(2009)e1
【标准状态】:现行
【国别】:美国
【发布日期】:2002
【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】:D01.26
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:hidingpower;sprayappliedcoating;visualevaluation;Hidingpower;Spray-appliedcoatings;Visualexamination--paints/relatedcoatings/materials
【摘要】:Thistestmethoddetermineshidingpowerofatestpaintbyvisualevaluationofasprayappliedcoating.Note18212;TestMethodD2805describesaninstrumentalmethodfordetermininghidingpower.Thepaintfilmisappliedatauniformthickness(forexamplewithadoctorblade),thefilmthicknessismeasuredrigorously,andtheopacityisdeterminedphotometrically.Hidingpoweristherebydeterminedwithahighdegreeofprecision.TestMethodD6762islessprecisethanTestMethodD2805,butiscommonlyusedsinceitismorecloselyrelatedtotheapplicationcharacteristicsofthepaintandissimplerinconceptandevaluation.1.1Thistestmethodprovidesforthequantitativevisualdeterminationofthefilmthicknessrequiredtoachievefullhiding.Thisfilmthicknessisconsideredtobethehidingpowerofatestpaint.1.2Thismethodappliesonlytosprayappliedcoatingsbutitsconceptsarevalidforothermethodsofapplicationaswell.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G50
【国际标准分类号】:87_040
【页数】:3P.;A4
【正文语种】:英语