ASTM D4212-1999(2005) 浸渍型粘度杯测定粘度的试验方法
作者:标准资料网 时间:2024-05-27 23:43:25 浏览:8524
来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:StandardTestMethodforViscositybyDip-TypeViscosityCups
【原文标准名称】:浸渍型粘度杯测定粘度的试验方法
【标准号】:ASTMD4212-1999(2005)
【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】:D01.24
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:覆层;涂料;试验;涂漆;粘度
【英文主题词】:dipcup(s);flowcup(s);Shellcup(s);viscosity;Zahncup(s)
【摘要】:Viscosityisameasureofthefluidityofamaterial.Viscositydataareusefulinthedeterminationoftheeaseofstirring,pumping,dipcoating,orotherflow-relatedpropertiesofpaintsandrelatedfluids.Thistypeofcupisusedtomeasureviscositybecauseitiseasytouse,robust,andmaybeusedintanks,reservoirs,andreactors.Thereareothertypesofapparatusformeasuringviscosityinthelaboratorythatprovidebetterprecisionandbias,includingtheFordviscositycup(TestMethodD1200),andtheBrookfieldviscometer(TestMethodsD2196).Certainhighershearratedevicessuchascone/plateviscometers(TestMethodD4287)providemoreinformationaboutsprayability,rollcoatability,andotherhigh-shearraterelatedpropertiesofcoatings.1.1Thistestmethodcoversthedeterminationofviscosityofpaints,varnishes,lacquers,inks,andrelatedliquidmaterialsbydip-typeviscositycups.Thistestmethodisrecommendedforviscositycontrolworkwithinoneplantorlaboratoryandshouldbeusedtocheckcompliancewithspecificationsonlywhensufficientcontrolshavebeeninstitutedtoensureadequatecomparabilityofresults.1.2ViscositycupsaredesignedfortestingofNewtonianandnear-Newtonianliquids.Ifthetestmaterialisnon-Newtonian,forexample,shear-thinningorthixotropic,anothermethod,suchasTestMethodsD2196,shouldbeused.Undercontrolledconditions,comparisonsoftheviscosityofnon-newtonianmaterialsmaybehelpful,butviscositydeterminationmethodsusingcontrolledshearrateorshearstressarepreferred.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:N51
【国际标准分类号】:17_060
【页数】:6P.;A4
【正文语种】:
【原文标准名称】:浸渍型粘度杯测定粘度的试验方法
【标准号】:ASTMD4212-1999(2005)
【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】:D01.24
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:覆层;涂料;试验;涂漆;粘度
【英文主题词】:dipcup(s);flowcup(s);Shellcup(s);viscosity;Zahncup(s)
【摘要】:Viscosityisameasureofthefluidityofamaterial.Viscositydataareusefulinthedeterminationoftheeaseofstirring,pumping,dipcoating,orotherflow-relatedpropertiesofpaintsandrelatedfluids.Thistypeofcupisusedtomeasureviscositybecauseitiseasytouse,robust,andmaybeusedintanks,reservoirs,andreactors.Thereareothertypesofapparatusformeasuringviscosityinthelaboratorythatprovidebetterprecisionandbias,includingtheFordviscositycup(TestMethodD1200),andtheBrookfieldviscometer(TestMethodsD2196).Certainhighershearratedevicessuchascone/plateviscometers(TestMethodD4287)providemoreinformationaboutsprayability,rollcoatability,andotherhigh-shearraterelatedpropertiesofcoatings.1.1Thistestmethodcoversthedeterminationofviscosityofpaints,varnishes,lacquers,inks,andrelatedliquidmaterialsbydip-typeviscositycups.Thistestmethodisrecommendedforviscositycontrolworkwithinoneplantorlaboratoryandshouldbeusedtocheckcompliancewithspecificationsonlywhensufficientcontrolshavebeeninstitutedtoensureadequatecomparabilityofresults.1.2ViscositycupsaredesignedfortestingofNewtonianandnear-Newtonianliquids.Ifthetestmaterialisnon-Newtonian,forexample,shear-thinningorthixotropic,anothermethod,suchasTestMethodsD2196,shouldbeused.Undercontrolledconditions,comparisonsoftheviscosityofnon-newtonianmaterialsmaybehelpful,butviscositydeterminationmethodsusingcontrolledshearrateorshearstressarepreferred.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:N51
【国际标准分类号】:17_060
【页数】:6P.;A4
【正文语种】:
下载地址: 点击此处下载
