ASTM D5150-1992(2003) 建筑涂料用滚子遮盖率的试验方法

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【英文标准名称】:StandardTestMethodforHidingPowerofArchitecturalPaintsAppliedbyRoller
【原文标准名称】:建筑涂料用滚子遮盖率的试验方法
【标准号】:ASTMD5150-1992(2003)
【标准状态】:现行
【国别】:
【发布日期】:1992
【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】:遮盖力;涂料;试验
【英文主题词】:architecturalpaintsandcoatings;hidingpower;opacity;rollerapplicationofpaints
【摘要】:Laboratoryhidingpowermeasurementsofarchitecturalcoatingsgenerallyemployblade-typeapplicatorsthatlaydownfilmsofhighlyuniformthickness.Butpracticalapplicators,suchasrollers,pads,andbrushes,typicallyapplyfilmsthatlackuniformityduetoincompleteleveling,resultinginthepracticalhidingpowerofmostpaintsbeinglessthanthatmeasuredonfilmsappliedwithadrawdownblade.Thistestmethodsimulatespracticalapplicationproceduresandconditionssoastoprovideanindicationoftheactualhidingperformanceobtainablewhenapaintisappliedbyanexperiencedworker.Itisnotintendedtoduplicatepaintingasdonebytheaverageconsumer.Sincetherheologicalcharacteristicsofapaintanditsinteractionwiththeapplicatorareinfluencingfactors,rankordercorrelationbetweenthistestandonedonebydrawdownmightnotbeobtained.FIG.1PracticalOpacityChartinAccordancewithFootnote5andAppendixX11.1Thistestmethodmeasurestheabilityofapainttohideorobscureasurfacetowhichithasbeenappliedbyapracticalapplicationprocedure.Thistestmethodcoverstheuseofapaintroller,buttheconceptisexpectedtoworkequallywellwhentheapplicationtoolisapaintbrushorpaintpad.1.2Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcernss,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G51
【国际标准分类号】:87_040
【页数】:4P.;A4
【正文语种】: