1、A Referencenumbe r ISO121032:1997 (E) INTERNATIONAL STANDARD ISO 121032 Firstedition 19971215 RoadvehiclesTestdustforfilter evaluation Part2: Aluminiumoxidetestdust VhiculesroutiersPoussirepourlessaidesfiltres Partie2:PoussiredessaidoxydedaluminiumISO121032:1997(E) ISO1997 Allrightsreserved.Unlessot
2、herwisespecified,nopartofthispublicationmaybereproduced orutilizedinanyformorbyanymeans,electronicormechanical,includingphotocopyingand microfilm,withoutpermissioninwritingfromthepublisher. InternationalOrganizationforStandardization Casepostale56 CH1211Genve20 Switzerland Internet centraliso.ch X.4
3、00 c=ch;a=400net;p=iso;o=isocs;s=central PrintedinSwitzerland ii Foreword ISO(theInternationalOrganizationforStandardization)isaworldwide federationofnationalstandardsbodies(ISOmemberbodies).Theworkof preparingInternationalStandardsisnormallycarriedoutthroughISO technicalcommittees.Eachmemberbodyint
4、erestedinasubjectforwhich atechnicalcommitteehasbeenestablishedhastherighttoberepresented onthatcommittee.Internationalorganizations,governmentalandnon governmental,inliaisonwithISO,alsotakepartinthework.ISO collaboratescloselywiththeInternationalElectrotechnicalCommission (IEC)onallmattersofelectro
5、technicalstandardization. DraftInternationalStandardsadoptedbythetechnicalcommitteesare circulatedtothememberbodiesforvoting.PublicationasanInternational Standardrequiresapprovalbyatleast75%ofthememberbodiescasting avote. InternationalStandardISO121032waspreparedbyTechnicalCommittee ISO/TC22, Roadve
6、hicles,SubcommitteeSC7,Injectionequipmentand filtersforuseonroadvehicles . ISO12103consistsofthefollowingparts,underthegeneraltitleRoad vehiclesTestdustforfilterevaluation : Part1:Arizonatestdust Part2:Aluminiumoxidetestdust AnnexesAtoCofthispartofISO12103areforinformationonly.ISO ISO121032:1997(E)
7、iii Introduction ThispartofISO12103specifiesarangeofinorganictestdusts, manufacturedfromfusedaluminiumoxide,primarilyusedforevaluatingthe performanceofbothfuelandlubricatingoilfiltersforinternalcombustion engines,generallybygravimetricmethods. ThispartofISO12103istobeusedinconjunctionwithanumberofot
8、her InternationalStandardswhichrefertotheuseofthesetestdustsinvarious filterperformancetestprocedures.INTERNATIONALSTANDARD ISO ISO121032:1997(E) 1 RoadvehiclesTestdustforfilterevaluation Part2: Aluminiumoxidetestdust 1 Scope ThispartofISO12103specifiestheparticlesizedistributionoffiveinorganictestd
9、ustsusedfortheevaluationof filters. Thesedustareusedinconjunctionwithvarioustestproceduresdesignedtoevaluate,ingeneral,fueland lubricatingoilfiltersforinternalcombustionenginesbygravimetricmethods. Thedustsmayalsobeusedforanumberofotherapplications,suchasforabrasiontests,wheredistinct,known particle
10、sizedistributionsofhard,abrasivematerialarerequired. 2 Testdustdesignation 2.1 Designation These“M”seriestestdustsareavailableinfivestandardgrades 1) ,whicharedesignatedasfollows: ISO12103M1fornominalparticlesize:5 mm ISO12103M2fornominalparticlesize:7 mm ISO12103M3fornominalparticlesize:14 mm ISO12
11、103M4fornominalparticlesize:30 mm ISO12103M5fornominalparticlesize:55 mm 2.2 Generaldescription Allfivegradesofdustaremadefromfusedaluminiumoxide(Al 2 O 3 )havingadensityof3960kg/m 3 .Thebulk densityofthematerial,whichvarieswithgrade,isintherange500kg/m 3 to2300kg/m 3 .Thecolourofthematerial alsovar
12、ies,fromoffwhitetobrown,dependingontheparticlesizerangeandgrade. _ 1) Suitableproductsareavailablecommercially.DetailscanbeobtainedfromtheSecretariattoTechnicalCommittee ISO/TC22orfromtheISOCentralSecretariat.ISO121032:1997(E) ISO 2 3 Particlesizedistributionoftestdusts 3.1 Explanation Theparticlesi
13、zedistributionofeachofthefivegradesofdustshallconformtothelimitsshowninfigures1to5and tables1to5,whendeterminedbytheAndreasensedimentationmethod(seeannexC). Itshouldbenotedthatothermethodsofparticlesizeanalysis,suchaslightscattering(laserdiffraction)orthe electricalsensingzonemethod(Coulterprinciple
14、),ofinsolubledustsinliquidsuspensions,willgivedifferentresults tothoseobtainedbytheAndreasensedimentationmethod. Whenthesedifferentmethodsofanalysisareemployedbyatestlaboratory,thelaboratoryshouldgeneratesuitable correlationdatabetweenthemethodbywhichthesepowdersaresuppliedtoconform(Andreasensedimen
15、tation) andbythemethodofanalysisadoptedbythetestlaboratory. AnexampleisgiveninannexAofthedifferenceintheparticlesizedistributionrangeofgradeM2dust(themost commonlyusedofthefivegradesofdust)obtainedbythelaserdiffractionmethodfromarangeofdustsamples representingmaterialfromboththeminimumandmaximumlimi
16、tsfortheM2grade.ISO ISO121032:1997(E) 3 3.2 GradeM1particlesizedistributionlimits Seefigure1andtable1. Figure1Particlesize(Stokesdiameter)asdeterminedbyAndreasensedimentation Table1SpecificationlimitsforgradeM1testdust Particlesize (Stokesdiameter) Percentagebymass, undersize m min. max. 2,5 1,5 3,0
17、 6,0 3,5 1,0 12,0 4,0 6,0 23,5 5,0 30,0 57,0 6,0 63,5 86,0 7,0 88,5 97,0 8,0 96,0 9,0 98,8 50%meansizerange:5,2 mm 0,4 mm.ISO121032:1997(E) ISO 4 3.3 GradeM2particlesizedistributionlimits Seefigure2andtable2. Figure2Particlesize(Stokesdiameter)asdeterminedbyAndreasensedimentation Table2Specification
18、limitsforgradeM2testdust Particlesize (Stokesdiameter) Percentagebymass, undersize m min. max. 3,0 1,5 4,0 1,0 6,5 5,0 5,2 16,5 6,0 16,0 40,0 7,0 40,0 64,7 8,0 65,0 88,5 9,0 88,0 97,3 10,0 96,5 98,9 11,0 98,5 50%meansizerange:6,9 mm 0,5 mm.ISO ISO121032:1997(E) 5 3.4 GradeM3particlesizedistributionl
19、imits Seefigure3andtable3. Figure3Particlesize(Stokesdiameter)asdeterminedbyAndreasensedimentation Table3SpecificationlimitsforgradeM3testdust Particlesize (Stokesdiameter) Percentagebymass, undersize m min. max. 6 1,0 8 1,0 5,0 10 6,0 18,1 12 21,0 41,0 14 44,5 64,9 16 68,3 87,4 18 90,4 97,7 20 98,3
20、 21 99,0 50%meansizerange:13,6 mm 0,9 mm.ISO121032:1997(E) ISO 6 3.5 GradeM4particlesizedistributionlimits Seefigure4andtable4. Figure4Particlesize(Stokesdiameter)asdeterminedbyAndreasensedimentation Table4SpecificationlimitsforgradeM4testdust Particlesize (Stokesdiameter) Percentagebymass, undersiz
21、e m min. max. 15 1,0 21 1,0 10,0 25 8,8 32,2 30 35,4 63,5 35 65,8 90,2 40 86,1 97,6 44 94,2 99,0 50 98,7 53 99,0 50%meansizerange:30,1 mm 2,3 mm.ISO ISO121032:1997(E) 7 3.6 GradeM5particlesizedistributionlimits Seefigure5andtable5. Figure5Particlesize(Stokesdiameter)asdeterminedbyAndreasensedimentat
22、ion Table5SpecificationlimitsforgradeM5testdust Particlesize (Stokesdiameter) Percentagebymass, undersize m min. max. 27 1,0 30 1,6 37 1,0 6,3 40 2,3 11,6 50 24,2 46,3 60 60,0 80,0 70 83,5 94,3 80 94,5 99,0 90 99,0 50%meansizerange:54,0 mm 3,0 mm.ISO121032:1997(E) ISO 8 AnnexA (informative) Exampleo
23、fthedifferenceinparticlesizedistributionusinglaserdiffraction SeefigureA.1. FigureA.1Comparisonofparticlesizedistributionusinglaserdiffraction ofISO12103M2testdustwithAndreasensedimentationISO ISO121032:1997(E) 9 AnnexB (informative) Handlingandpreparationofdustspriortouse B.1 HandlingofdustsGeneral
24、 WhilsttheISOdesignated“M”seriesofaluminiumoxidedustsarelessharmfulthanmanyothertestdusts available,duecareshouldalwaysbetakenwhenhandlingthematerial,inparticularthefinergrades. B.2 Preparationofdustspriortouse B.2.1 Testdustshouldbethoroughlydriedinahotairovenat105 C 5 Cforatleast24hpriortouse. B.2
25、2 Theparticlesizedistributionsofallfinedustscanbeaffectedbyanumberoffactors,especiallyduring handling,transportandstorage.Acontrolled,scientificapproachtoremovingsmallsamplesfromlarger quantitiesshouldbefollowedinordertoachieverepeatableresultsfromthesamebulksampleofdust(see annexC). B.3 Physicalan
26、dsafetydataofaluminatestdusts B.3.1 Meltingpoint 1950Cto2050C B.3.2 Density 3960kg/m 3 B.3.3 Bulkdensity 500kg/m 3 to2300kg/m 3 ,dependingongrade. B.3.4 Solubilityinwater Insoluble. B.3.5 Hazardousreactions None. B.3.6 Transportrestrictions Unrestricted,unclassified,nonhazardous. B.4 Protectivemeasu
27、resforstorageandhandling B.4.1 Industrialhygiene Respiratoryprotectivedevice(finedustbreathingmask)only requiredifthestipulateddustconcentrationlimitforAl 2 O 3 is exceeded. B.4.2 Fireandexplosion None. B.4.3 Disposal Refertolocalregulations.Aluminiumoxidecannormallybe disposedofwithoutanyadditional
28、measures.ISO121032:1997(E) ISO 10 B.5 Measurestobetakenincaseofaccidentorfire B.5.1 Spillageorleakage Sweepuporusesimilarmeasures. B.5.2 Fire Noreactionwithwaterorfoamfirefightingmeasures. B.6 Healthaspects B.6.1 Toxicity Aluminiumoxideisnottoxic;thepowdersdonotcontainquartzor anyfibrogenicmaterial.
29、 B.6.2 Abrasiveness Aluminiumoxideisabrasive,contactwithskinandeyesshouldbe avoided.Gogglesorglassesshouldbewornwhenhandlingdust. B.6.3 Firstaid Eyes:rinseimmediatelywithwater.Ifirritationdevelopsseek medicaladvice. Skin:washwithwater.Ifirritationdevelopsseekmedicaladvice.ISO ISO121032:1997(E) 11 An
30、nexC (informative) Bibliography C.1 Relatedfiltertestmethods ISO4020: 2) , RoadvehiclesFuelfiltersforautomotivecompressionignitionenginesTestmethods. ISO45484: 3) ,MethodoftestforfullflowlubricatingoilfiltersforinternalcombustionenginesPart4:Initial particleretentionefficiency,lifeandcumulativeeffic
31、iency(gravimetricmethod). C.2 Samplingpowderpriortouse ISO1988:1975, HardcoalSampling. ISO2309:1980, CokeSampling. NOTETheabovetwoInternationalStandards,thoughrelatingtothesamplingofcoalandcoke,useidenticalprinciples andproceduresandspecifythesametypeofequipmentthatshouldbeusedforthesamplingoftheISO
32、designated“M”series oftestdusts. BS34061:1986, MethodsfordeterminationofparticlesizedistributionPart1:Guidetopowdersampling. C.3 Particlesizeanalysis BS34062:1984,Methodsfordeterminationofparticlesizedistribution Part 2:Recommendationsfor gravitationalliquidsedimentationmethodsforpowdersandsuspensio
33、ns. BS34065:1983, MethodsfordeterminationofparticlesizedistributionPart5:Recommendationsforelectrical sensingzonemethod(theCoulterprinciple). BS34067:1988, MethodsfordeterminationofparticlesizedistributionPart7:Recommendationsforsingle particlelightinteractionmethods. DIN66111:1989, Particlesizeanal
34、ysisSedimentationanalysisPrinciples. DIN66115:1983, ParticlesizeanalysisSedimentationanalysisinthegravitationalfieldPipettemethod. _ 2)Tobepublished.(RevisionofISO40201:1979) 3)Tobepublished.ISO121032:1997(E) ISO ICS43.060.20;43.060.40 Descriptors: motorvehicles,filters,oilfilters,airfilters,tests,performancetests,testequipment,sands,standardsands,sp ecifications, chemicalcomposition,particlesize,sizeclassification,grades(quality),designation. Pricebasedon11pages
