【英文标准名称】:StandardTestMethodforShearViscosityofCoal-TarandPetroleumPitches
【原文标准名称】:煤焦油和石油硬沥青剪切粘度的试验方法
【标准号】:ASTMD5018-1989(2004)
【标准状态】:现行
【国别】:
【发布日期】:1989
【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】:D02.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验;粘度;硬沥青(石油产品)
【英文主题词】:coaltarpitch;petroleumpitch;pitchviscosity
【摘要】:Thistestmethodisusefulasoneelementinestablishingtheuniformityofshipments.Viscosityisalsovaluableforrheologicalcharacterizationofbinderpitches.Binderpitchimpartsconsistencytocarbonaceousmixesandaffectstheirresistancetodeformation.Binderpitchviscosityisimportantforassessingmixconsistencyandforevaluatingtheeaseofmixextrusionormoldingintoartifacts.1.1Thistestmethodcoversthedeterminationoftheapparentshearviscosityofcoal-tarandpetroleum-basedpitcheshavingaMettlersofteningpoint(SP)rangeofapproximately95to120176C.1.2Thistestmethodisapplicableonlyforrotationalviscometers.1.3Sincethistestmethodisbasedontheoreticalgrounds,strictadherencetodetailsoftheprocedureisnecessarytocomplywiththetheoreticalrequirements.1.4Thevaluesstatedinconventionalunits(centipoise)aretoberegardedasthestandard.TheSIunitisthepascalsecond(Pa[dot]s)andonemillipascalsecond(mPa[dot]s)=onecentipoise(cps);centipoiseisincgsunits.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardstatementsaregiveninSection7.
【中国标准分类号】:E43
【国际标准分类号】:75_140
【页数】:4P.;A4
【正文语种】: