BS EN ISO 1628-3-2003 塑料.用毛细管粘度计测定稀释溶液中聚合物的粘度.聚乙烯和聚丙烯
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【英文标准名称】:Plastics-Determinationoftheviscosityofpolymersindilutesolutionusingcapillaryviscometers-Polyethylenesandpolypropylenes
【原文标准名称】:塑料.用毛细管粘度计测定稀释溶液中聚合物的粘度.聚乙烯和聚丙烯
【标准号】:BSENISO1628-3-2003
【标准状态】:作废
【国别】:英国
【发布日期】:2004-06-09
【实施或试行日期】:2004-06-09
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:测量;粘度计;聚丙烯;毛细管粘度计;粘度测量;高聚物;试验;试验;抽样方法;粘胶纤维;极限(数学);溶剂;聚乙烯;塑料;粘度;测量技术;溶液;测定
【英文主题词】:Capillarytubeviscometer;Determination;Limits(mathematics);Measurement;Measuringtechniques;Plastics;Polyethylene;Polymers;Polypropylene;Samplingmethods;Solutions;Solvents;Testing;Tests;Viscometers;Viscose;Viscosity;Viscositymeasurement
【摘要】:ThispartofISO1628definesparticularconditionsfordeterminingthereducedviscosity(alsoknownasviscositynumber)andintrinsicviscosityofpolyethylenesandpolypropylenesat135℃indilutesolution.Itisapplicabletolow,mediumandhigh-densitypolyethylenesandtoawiderangeofpolypropylenes,includingpureisotactic,stereoblockandatacticpolymers.Theviscosityofpolymersolutionsmaybeaffectedbyadditivespresentinthesample.Thevalueofareducedviscositydeterminedbythismethodmaythereforebeunreliableifthesamplecontainsfillersorotheradditives.NOTEReducedviscosityisalsoknownastheStaudingerfunction(Jv)andintrinsicviscosityastheStaudingerindex(Jg).
【中国标准分类号】:G31
【国际标准分类号】:83_080_20
【页数】:16P.;A4
【正文语种】:英语
【英文标准名称】:StandardGuideforInstrumentandPrecisionBearingLubricants-Part2Greases
【原文标准名称】:仪器和精密轴承润滑剂的标准指南.第2部分:润滑脂
【标准号】:ASTMF2489-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:F34.02
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:润滑脂;工业用油;仪器;润滑剂;精密轴承
【英文主题词】:ballbearings;esteroil;instrumentandprecisionbearinglubricants;mineraloil;perfluoropolyetheroil;polyalphaolefins;siliconoil;pennzane;thickener;lubricatinggrease
【摘要】:1.1Thisguideisatooltoaidinthechoiceoflubricatinggreaseforprecisionrollingelementbearingapplications.TherecommendationsinthisguidearenotintendedforgeneralpurposebearingapplicationsTherearetwoareaswherethisguideshouldhavethegreatestimpact:(1)whenlubricatinggreaseisbeingchosenforanewbearingapplicationand(2)whengreaseforabearinghastobereplacedbecausetheoriginalgreasespecifiedforthebearingcannolongerbeobtained.TheReport(seeSection)containsaseriesoftestsonawidevarietyofgreasescommonlyusedinbearingapplicationstoallowcomparisonsofthosepropertiesofthegreasethatthecommitteethoughttobemostimportantwhenmakingachoiceoflubricatinggrease.Eachtestwasperformedbythesamelaboratory.Thisguidecontainsalistingofthepropertiesofgreasesbybaseoiltype,thatis,ester,perfluoropolyether(PFPE),polyalphaolefin(PAO),andsoforth.Thisorganizationisnecessarysincetheoperationalrequirementsinaparticularbearingapplicationmaylimitthechoiceofgreasetoaparticularbaseoiltypeandthickenerduetoitstemperaturestability,viscosityindexortemperature-vaporpressurecharacteristics,etc.Theguideprovidesdatatoassisttheuserinselectingreplacementgreasesforthosegreasestestedthatarenolongeravailable.Theguidealsoincludesaglossaryoftermsusedindescribing/discussingthelubricationofprecisionandinstrumentbearings.1.2Thelubricatinggreasespresentedinthisguidearecommonlyusedinprecisionrollingelementbearings(PREB).ThesegreaseswereselectedforthetestingbasedonthegreasesurveyobtainedfromDoD,OEMandgreasemanufacturesandevaluatedaccordingtothetestprotocolthatwasdesignedbySubcommitteeF34onTribology.Thistestprotocolcoverstheessentialrequirementsidentifiedforprecisionbearinggreases.Theperformancerequirementsofthesegreasesareveryunique.Theyaredictatedbytheperformanceexpectationsofprecisionbearingsincludinghighspeed,lownoise,extendedlife,andnocontaminationofsurroundingcomponentsbythebearingslubricantsystem.Toincreasethereliabilityoftestdata,alltestswereperformedbyaDoDlaboratoryandthreeindependenttestinglaboratories.Therewerenogreasemanufacturersdataimportedexceptforbaseoilviscosity.MostoftestswereperformedbyU.S.ArmyTank-AutomotiveResearch,DevelopmentandEngineeringCenter(TARDEC)andthreeindependentlaboratories,andtheresultsweremonitoredbytheNavalResearchLaboratory(NRL).Thiscontinuityoftestingshouldformasolidbasisforcomparingthepropertiesofthemultitudeoflubricatinggreasestestedbyavoidingsomeofthevariabilityintroducedwhengreasesaretestedbydifferentlaboratoriesusingdifferentoreventhe"same"procedures.Additionaltestdatawillbeconsideredforinclusion,providedthedefinedprotocolisfollowedandthetestsareperformedbyindependentlaboratories.1.3ThisstudywasapartofDoDAgingAircraftReplacementProgramandsupportedbyDefenseLogisticAgent(DLA)andDefenseSupplyCenterRichmond(DSCR).1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E34
【国际标准分类号】:
【页数】:13P.;A4
【正文语种】:
【英文标准名称】:
【原文标准名称】:船用橡胶座碟形阀
【标准号】:JISF7480-1991
【标准状态】:作废
【国别】:日本
【发布日期】:1991-02-10
【实施或试行日期】:1991-02-10
【发布单位】:日本工业标准调查会(JISC)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:船用管道系统;蝶阀;合成橡胶;海船
【英文主题词】:
【摘要】:
【中国标准分类号】:U53
【国际标准分类号】:
【页数】:
【正文语种】: