ASTM D2805-1996a(2003) 反射计法测试涂料遮盖力的标准测试方法
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【英文标准名称】:StandardTestMethodforHidingPowerofPaintsbyReflectometry
【原文标准名称】:反射计法测试涂料遮盖力的标准测试方法
【标准号】:ASTMD2805-1996a(2003)
【标准状态】:现行
【国别】:
【发布日期】:1996
【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】:覆盖力;涂漆;覆层;涂料;试验
【英文主题词】:contrastratio;hidingpower(ofpaints/coatings);scatteringcoefficient;spreadingrate
【摘要】:Thisisapreciseinstrumentalmethodgivingresultshavinganabsolutephysicalsignificancewithoutreferencetoacomparisonpaint.Itshouldbeusedwhenmaximumprecisionandminimumsubjectivityarerequired,asintestingspecificationcoatingsorevaluatingthehidingefficiencyofpigments.HidingpowerTestMethodD344isvisualinsteadofinstrumental,andgivesresultsthatarerelativetoamaterialstandardinsteadofabsolute.ItislessprecisethanTestMethodD2805butmorecloselyalignedwithpracticalpaintingprocedures.1.1Thistestmethodcoversthedetermination,withoutreferencetoamaterialpaintstandard,ofthehidingpowerofairdrycoatingswithYtristimulusvaluesgreaterthan15%.Withappropriatemodification,itcanalsobeusedtotestbakingfinishes.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G51
【国际标准分类号】:87_040
【页数】:6P.;A4
【正文语种】:
【原文标准名称】:反射计法测试涂料遮盖力的标准测试方法
【标准号】:ASTMD2805-1996a(2003)
【标准状态】:现行
【国别】:
【发布日期】:1996
【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】:覆盖力;涂漆;覆层;涂料;试验
【英文主题词】:contrastratio;hidingpower(ofpaints/coatings);scatteringcoefficient;spreadingrate
【摘要】:Thisisapreciseinstrumentalmethodgivingresultshavinganabsolutephysicalsignificancewithoutreferencetoacomparisonpaint.Itshouldbeusedwhenmaximumprecisionandminimumsubjectivityarerequired,asintestingspecificationcoatingsorevaluatingthehidingefficiencyofpigments.HidingpowerTestMethodD344isvisualinsteadofinstrumental,andgivesresultsthatarerelativetoamaterialstandardinsteadofabsolute.ItislessprecisethanTestMethodD2805butmorecloselyalignedwithpracticalpaintingprocedures.1.1Thistestmethodcoversthedetermination,withoutreferencetoamaterialpaintstandard,ofthehidingpowerofairdrycoatingswithYtristimulusvaluesgreaterthan15%.Withappropriatemodification,itcanalsobeusedtotestbakingfinishes.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G51
【国际标准分类号】:87_040
【页数】:6P.;A4
【正文语种】:
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