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【英文标准名称】:Petroleumproductsandlubricants-Determinationofconepenetrationoflubricatinggreasesandpetrolatum
【原文标准名称】:石油产品和润滑剂.润滑脂和石油脂针入度的测定
【标准号】:ISO2137-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-12
【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】:针入度;一致性;定义;交货条件;测定;燃料;润滑脂;润滑剂;测量;矿物油;渗透性试验;渗透;针入度计;石油脂;石油产品;流变性能;试样;试验设备;测试;工作时的渗透性;加工
【英文主题词】:Conepenetration;Consistency;Definition;Definitions;Deliveryconditions;Determination;Fuels;Grease;Greases;Lubricants;Measurement;Mineraloils;Penetrationtests;Penetrations;Penetrometers;Petrolatum;Petroleumproducts;Rheologicalproperties;Samples;Testequipment;Testing;Workedpenetration;Working
【摘要】:ThisInternationalStandardspecifiesseveralmethodsfortheempiricalestimationoftheconsistencyoflubricatinggreasesandpetrolatumbymeasuringthepenetrationofastandardizedcone.TheNationalLubricatingGreaseInstitute(NLGI)classifiesgreasesaccordingtotheirconsistency,asmeasuredbythe60strokesworkedpenetration.TheNLGIclassificationincludesnineconsistencynumbersorgrades,eachgradecorrespondingtoagivenrangeofworkedpenetration.TheNLGIclassificationisgiveninISO6743-99.Clause7ofthisInternationalStandardspecifiesfourproceduresfordeterminingtheconsistencyoflubricatinggreasesbymeasuringthepenetrationofafull-scalecone.Theseprocedurescoverthemeasurementofunworked,worked,prolongedworked,andblockpenetrations.Penetrationsupto500unitscanbemeasured.Clause8ofthisInternationalStandardspecifiesmethodsfordeterminingtheconsistencyoflubricatinggreaseswhenonlysmallsamplesareavailable,bytheuseofconesahalf-scaleorquarter-scaleofthatusedinClause7.Themethodsareapplicabletogreaseshavingpenetrationsof175unitsto385unitswiththefullscaleconeandareintendedforuseonlyifthesizeofthetestsamplepreventstheuseofconesdescribedinClause7.Theyarenotintendedtoreplacethefull-scalepenetrationasdescribedinClause7,althoughaconversiontofull-scalepenetrationisgivenin10.2.See8.1forthelimitationsontheuseofone-quarter-scaleconesduetothepoorprecision.NOTE1Unworkedpenetrationsdonotgenerallyrepresenttheconsistencyofgreasesinuseaseffectivelyasdoworkedpenetrations.Thelatterareusuallypreferredforinspectinglubricatinggreases.NOTE2Penetrationofblockgreasescanbeobtainedonthoseproductsthataresufficientlyhardtoholdtheirshape.Thesegreasesgenerallyhavepenetrationsbelow85units.Clause9ofthisInternationalStandardspecifiesamethodforthedeterminationoftheconsistencyofpetrolatumbymeasurementofthepenetrationofafull-scalecone,havingpenetrationsupto300units.Thismethodcanalsobeusedtoestimatetheconsistencyofslackwaxes.
【中国标准分类号】:E30
【国际标准分类号】:75_100;75_140
【页数】:22P.;A4
【正文语种】:英语