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【英文标准名称】:Petroleumproducts-Calculationofviscosityindexfromkinematicviscosity
【原文标准名称】:石油产品.用运动粘度计算粘度指数
【标准号】:ISO2909-2002
【标准状态】:现行
【国别】:国际
【发布日期】:2002-12
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC28
【标准类型】:()
【标准水平】:()
【中文主题词】:粘度;运动的;数学计算;石油产品;润滑剂;定义;基准温度;运动粘度;试验;粘度值
【英文主题词】:Definitions;Indexes;Kinematic;Kinematicviscosity;Lubricants;Lubricatingoils;Materialstesting;Mathematicalcalculations;Petroleumproducts;Referencetemperatures;Testing;Viscosity;Viscositynumbers
【摘要】:ThisInternationalStandarddescribestwoproceduresforcalculatingtheviscosityindex(VI)ofpetroleumproductsandrelatedmaterials,suchaslubricatingoils,fromtheirkinematicviscositiesat40℃and100℃.ProcedureAisapplicabletopetroleumproductsofviscosityindexuptoandincluding100.ProcedureBisapplicabletopetroleumproductsofviscosityindex100orgreater.NOTETheresultsobtainedfromthecalculationofVIfromkinematicviscositiesdeterminedat40℃and100℃arevirtuallythesameasthoseobtainedfromtheformerVIsystemusingkinematicviscositiesdeterminedat37,78℃and98,89℃.ThisInternationalStandarddoesnotapplytopetroleumproductswithkinematicviscositiestessthan2,0mm/sat100℃.Table1appliestopetroleumproductswithkinematicviscositiesbetween2mm/sand70mm/sat100℃.Equationsareprovidedforcalculatingtheviscosityindexofpetroleumproductshavingkinematicviscositiesabove70mm/sat100℃.NOTEIncaseswherekinematicviscositydataarenotavailableattemperaturesof40℃and100℃,anestimatemaybemadeoftheviscosityindexbycalculatingthekinematicviscosityattemperaturesof40℃and100℃fromdataobtainedatothertemperatures.Suchviscosityindexdatamaybeconsideredassuitableforinformationonlyandnotforspecificationpurposes.
【中国标准分类号】:E30
【国际标准分类号】:75_080
【页数】:9P.;A4
【正文语种】:英语