2023年12月2日发(作者：)
AS 1180AS 1180Australian Standard™Methods of test for hosemade from elastomericmaterialsSecond Group:Methods 7A, 7B, 7C, 7D,7F, 7G, 7J, 8A, 8B(metric units)Accessed
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2007Thefollowingscientific,industrialandgovernmentalorganizationsanddepartmentswereofficiallyrepresentedonthecommitteewhichpreparedthisstandard:AssociatedChambersofManufacturesofAustraliaAustralianandNewZealandRailwaysConferencesCountryRoadsBoard,VictoriaElectricityTrustofSouthAustraliaGovernmentStoresDepartment,titutionofTheRubberIndustryMetropolitanWater,SewerageandDrainageBoard,SydneyPetroleumMarketingEngineersAdvisoryCommitteeSocietyofAutomotiveEngineers,AustralasiaStateElectricityCommissionofVictoriaThismethodsstandardarebeingisteeRU/1,RubberHose,ingeditionsTomaintaindocumentstheircurrency,whichallStandardsreflectprogressareinscience,neditions,ed,StandardsandnewmaypublishedStandard,sincethewhichItisimportantStaeandardsandcanlookingbefoundupthebyvisitingrelevanttheStandardStandardsintheAustraliaon-lineAlternatively,theprintedCatalogueprovidesinformationcurrentat1Januaryeachyear,revisionsandandtheamendmentsmonthlymagazine,rd,hasafulllistingofWeencouragealsowelcomesuggestionsforimprovementinourStandards,sExecutive,StandardsContacttoAustraliausnotifyviaemailusInternationalatimmediatelymail@,ofanyapparentinaccuraciesorLtd,GPOBox5420,orSydney,ed
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2007AS1180—November19722ndListLISTOFMETHODSThemethodssofarpublishedare:NoofMethodDateTitle1180.1June1972Dimensions1180.2June1972TensileStrengthandElongation1180.3June1972AcceleratedAgeing1180.4AJune1972PlyAdhesion—DeadWeightMethod1180.4BJune1972PlyAdhesion—AutographicMethod1180.5AJune1972HydrostaticPressure—BurstTest1180.5BJune1972HydrostaticPressure—ProofTest1180.5CNovember1972HydrostaticPressure—Change-in-LengthTest1180.5DJune1972HydrostaticPressure—LeakTest1180.5EJune1972HydrostaticPressure—ExpansionandDistortionTest1180.6June1972ImpulseTest1180.7ANovember1972ResistanceofHoseLiningandCovertoLiquids1180.7BNovember1972ResistancetoLiquids—Physical1180.7CNovember1972ResistancetoSteam1180.7DNovember1972ResistancetoDetergent1180.7FNovember1972ResistancetoHoseLiningandCovertoOzone1180.7GNovember1972CorrosionResistance1180.7HNovember1972ElectricalConductivity1180.7JNovember1972ResistancetoVacuum1180.8ANovember1972ResistancetoColdFlexingofHoseAssembly1180.8BNovember1972ResistancetoColdFlexingofHoseLiningandCoverAccessed
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20071AS1180.7A—November1972STANDARDSASSOCIATIONOFAUSTRALIAAustralianSinestheeffectofspecifiedliquid(s)hichTestthechangespiventimeinthe3MATERIALSANDAPPARATUS.(i)Liquidsasspecified—afreshportionforeachtest.(ii)Vessels,piecesandinertcapabletotheofliquidsbeingspecified,nthetest(iii)Such(SeeASapparatus1180.9A.)asisrequiredorspecifiedfordeterminingvolumeandhardness.450TEST×ows:Preparethreerectangulartestpiecesofliningandofcover(i)Carrecoversolventandlining,isusedusing,dryifupnecessary,to36h.(ii)Buffreducethetestspecimenonlytotheextentnecessarytoobtainsmoothfacesortobesampleuniformtoashalltomaximumbewithinofthe±cknessoftestspecimenshallwithinof±edfromthesame(iii)FromrequiredthedimensionstestspeecesofeachtotheNOTE:Shoulditbeimpossibletoobtaintestpieceshavingabuffedthicknessof0.80mmorgreater,themanufacturermaybeobligedtofurnishasampleofthecuredelastomertakenfromthesamequalityofrubberfromwhichthehosewasmadeandhavingacureequivalenttothattowhichthehosewassubjected.5at20CONDITIONING±2°Cand65+eaAccessed
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2007AS1180.7A—November197226PROCEDURE.6.1ForTestMaterialsImmiscibleorNon-ReactivewithWater.(i)DeterminethemetofAS1180.9Aandobtain(ii)Weigheachtestspecimenorpiecetothenearestmilligraminair(W),andthenindistilledwater(W2),sdetergent,(iii)ebyblottingwithfilterpaperoratextilefabric(iv)Placematerialtheexcesssuch(atthreeleastspecimestinspecimensthecontainerorpieces)andaddwithtestanNOTES:ssaryprovideameansforholdingthetestspecimensorpiecescompletelybelowthesurface.(v)datatemperatureof20±2°Cforthespecifiedtimeandremovethe(vi):mmersionliquidisappreciablyvolatileatroomtemperaturethemaximumtimefortrabileliquidssuchasiso-octaneandbenzene,removeandquicklywipethetestspecimefficultymaybeexperiencedincompletelyremovingviscous,non-volatileoilsbythismethodanditmaybenecessarytodipthetestpiecequicklyinasuitablevolatileliquidsuchasacetonewhichdoesnotdepositlint.(vii)Repeatstep(i).(viii)Transfereachtestspecimenorpiecetoatared,stopperedweighingbottleanddetermineitsweightinairtothenearestmilligram(W3).Removefromthebottle20±2°ediatelydetermineitsweight(W4)indistilledwaterat6.2in6.1ForaboveTestwithMaterialsthefollowingMiscibleamendments:(orReactive)theprocedure(i)IfthetestmaterialisnottooviscousorvolatileconductweighingsWthetestmaterialinsteadofinwaterandusetheseweighingstodetermine2andW∆V4inbyAccessed
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20073AS1180.7A—November1972formulatestmaterial.(1)ngW4shouldbemadeinafreshportionofthe(ii)Ifstep(i)aboveisnotpracticableusetheprocedurein6.1aboveexcepttoomittheformulafinal(2)threeweighingstocalculate∆:Calculatethechangeinvolume∆Vusingtheappropriate∆V(W3−W4)−(W1−(1)1−W2∆V(W3−W1)(2)1−W2)whereW1=theinitialweightofthetestspecimenorpieceinairW2=theinitialweightofthetestspecimenorpieceinwaterW3=theweightofthetestspecimenorpieceinairafterimmersionW4=theweightofthetestspecimenorpieceinwaterafterimmersiond=thedensityofthetestmaterial,ing/ml,at20±2°CNOTE:Formula(2)maybeonlyapproximateiftheimmersionliquidisamixture,edensityofanymatagechangeinvolume=∆V×thefollowing:(i)Theaveragevalue(s)forthepercentagechangeinvolume.(ii)estmaterialorformationofsedimentattheconclusion(iii)Anydeficienciesinthetestspecimensorpieces(,delamination).(iv)ed
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2007AS1180.7A—November19724Thistestmethodwasapprovedonbehalfofed
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20071AS1180.7B—November1972STANDARDSASSOCIATIONOFAUSTRALIAAustralianSANCETOLIQUIDS—inestheeffectofspecifiedliquid(s)d,drainedTheandhoseinspectedisfilledandwithassessedthespecifiedforphysicalliquid(s),allowedstand3MATERIALSANDAPPARATUS.(i)Liquidsasspecified—afreshportionforeachtest.(ii)Suchasofhose300to330mmnetlengthcompletewith5PROCEDURE.(i)SetupthetestspecimenasshowninFig.1andfillwiththespecifiedliquid.(ii)Seal65±ostandforthespecifiedtimeat20±2°Cand(iii)sed
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2007AS1180.7B—T-UPThistestmethodwasapprovedonbehalfofed
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20071AS1180.7C—November1972STANDARDSASSOCIATIONOFAUSTRALIAAustralianSthoddeterminestheresistancetosteaminrespectofblisteringofAStensileotherdefectsK155—Rubberstrength,tothehosepeffectsThehoseontheishosseparate3APPARATUS.(i)Asupplyofsaturatedsteamatanaveragepressureof0.5MPa.(ii)erminingtngthof400Twommtestandspecimenscapablecutofbeingfromthefittedhosetothesamplesteamhavingsupplya5PROCEDURE.(i)ClampallowedorandadjusttocouplenFittoathebleedingsteamvalvesupplytosuchthelowerthatitendis(ii)Applysaturatedsteamatanaveragepressureof0.5mPafor7±1h.(iii)Allowstandfor14±1hatroomtemperature.(iv)Repeatstep(ii).(v)Allow65standtogetherwiththeuntreatedspecimenat20±2°Canddefects.±16to96handinspectforblisteringorothervisible(vi)Submitboththeuntreatedandsteam-treatedspecimentothetestofAS1180.2.6follows:atethechangeintensilestrengthandelongationasChangeincharacteristic,percent=O−AO×100aAccessed
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2007AS1180.7C—November19722whereO=characteristicvalueofuntreatedsampleA=tagesReportofchangeanysigninrespectofblisteringofbothorthevisibletensiledefectstrengthaftersteamandthetreatmentelongationandThistestmethodwasapprovedonbehalfofed
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20071AS1180.7D—November1972STANDARDSASSOCIATIONOFAUSTRALIAAustralianSthoddeterminestheeffectcalwithAppendixEofASK155—ngeinTesttensilepifThesolution:testsolutionshallcontain10gofthefollowingdetergentmixturePartsbyweightSodiumSodiumhydroxide(NaOH)40Sodiummetasilicate20Sodiumcarbonate(anhyd.)(Na2SiO3)20Coconuthexa-meta-phosphate(Na(NaPO2CO3)3)610Sodiumdodecyldiethanolamidebenzenesulphonate2.5Nonionicoramphotericdetergent7.52.5102.5NOTE:NonionicdetergentssuchasthecondensationproductofethyleneoxideandaromaticpolyhydricalcoholareavailableundervarioustradenamessuchatTritonX100,TritonN100,Ante-oxCO630,ericdetergentsexhibitingnonionic,anionicorcationicproperties,dependingonthepHofthesolution,containingcomplexfattyamidoorcyclicimidinecarboxylategroups,areavailableundervarioustradenamessuchasAntaronFC-34,eenZ.3.2Apparatus.(i)edfordeterminingthecharacteristicspecifiedinthe(ii)Aandglassrefluxapparatusofsuitablesize,eofmaintainingthetestpiecesunderrefluxinthetestsolutionforaAccessed
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2007AS1180.7D—lyshaperequiredThetestfeTheofthepropertiesnumber,sizewilltobetreated)estrengthandelongation,forwhichsixtestpieces(three5PROCEDURE.(i)luxforatotaltheofglass40±container,2heithercontinuouslycoverwithaorgenerousintermittentlyexcessNOTE:Incasesofdisputerefluxshallbecontinuous.(ii)Remove24±tpiecesandconditionat20±2°Cand65±(iii)euntreatedandtherefluxtreatedspecimenstothetestof6follows:atethechangeintensilestrengthandelongationasChangeincharacteristic,percent=O−AO×100whereO=characteristicvalueofuntreatedsampleA=inrespectReportofanybothsigntheoftensilecentagesThistestmethodwasapprovedonbehalfofed
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20071AS1180.7F—November1972STANDARDSASSOCIATIONOFAUSTRALIAAustralianSstisanartificialacceleratedtestexposingtocrackingoftherubbercomponentsofwhichhosetogivesoutdooranindicationweatheringofthebyasASTMsunshinethemD1149—bercomponentsoftheconcentrationachambercontainingandtemperatureanozone-airandsubsequentlyatmosp-ozoneAsecondarythroughputrequirementrate,sufficientisthatofinternalcirculation,testandchambersufficientareparticularchamberslaboratory,lconformoracceptableoneozonetestchambercontrollingcanbethecustom-madetemperaturewithininatotheofthefollowingcommercialrequirements:netest(i)ambershallbeconstructedofamaterialwithminimalreactionto(ii)ast140litresandcapableofholdingthe(iii)Thethatair-ozonereplacementofnoappreciablereductionrateinozoneorthroughputconcentrationratemustresultsbefromofamagnitudesuchconcentration,ontemperature,Thisminimumnumberreplacementoftestspecimensratewillvarythewithintroductiontheozone(-fourthschange50partsForperminutepermany100chambersintroduced,andtheiris000operatingundernormalconditionsanacceptable000),ethoroughofabAccessed
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2007AS1180.7F—November19722andreplacementaccurateratework,nusualconditions,theminimumorsafeNOTE:Upwardconcentrationadjustmentscancompensateforareductioninozoneconcentrationwhenspecimensareintroduced.(iv)Aozonemeanssuchvelocityofprovidinginthe-andproducefanvelocitiesbladeofexist,approximatelytheinstallation150mmofan600mm/tisdoubtfulthatdiameterordinaryand1700rev/(v)Ashallmeansofcontrollingthetemperatureofthechamberfromambientto70°hintemperature±1°tionshouldbecapableofmaintaining(vi)forgeneratingandcontrolgeneratingsourceshallbelocatedoutsidethechamberandfedooducedintothechamberinsuchamannerthatNOTE:chalamptheozonelltransformthevoltatusfactorymethodisabsorptionoftheozoneinteststandardpotassiumiodidesolutionfollowedbytitrationofthereleasediodinewithaashallabsorptionbeprovided,hreealternativeabsorptiondevicesmethodTheofwhichorbyendarespray-jetdevicesandthethirdacounter-currentthepointomshouldbemaintainedvariouslevelsiftheofprecedingthechamberchamberarenotspecificationsnecessary,teGlasscirculationplasticsbeareusedtobetoavoided,conveyexcepttheair-oed
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20073AS1180.7F—NGFORTESTSPECIMENS—ssatBtube,inashortA,islengthapproximatelycapillary(in3drilla(a)tricwithinAisasmallerglasstube,iewtheofAtborethisthisispart).thickenedreducedTheendinendsizeofCisfirstcarefullytwosoflatsasjustaregroundtoadmitatubeasheetA,ofendfineDaluminaabrasivepaperasatDinFig.3(b).Wheninpositionoffandat100Eholdsfitssnuglymmlong,rtubingtheaexittraptubeaboutabout50mm38mminAccessed
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20073.4.2(i)The90tubingCheatedwireoninconnectiondiameterAS1180.7F—November19724indiameter,1-litrethree-neckWoulffbottleorround-bottomchemicallyresistantflaskinwhichAandFaresecuredbystandard-tapergroundjoints,AoccupyingthecentreopeningwithBprotrudinnectedthroughplasticizedpolyvinylchloridetubingrancetotherotameterisconnectedwithglasstubingtothesamplingtube,operlyregulatedandavacuumappliedatF,mostofthereagententersF,furnishingaheadofreagentatB,wherorptionflaskshallbemountedinalight-tightboxtoprotectitfromlightduringthetimearunisbeingmade.5AS1180.7F—eforstheadvantageovertheunmodifiedspray-jetmethod,inthatnoiodineisvolatilized,hismodifiedmethod,-bheseareusedasdepictedinFig.3,tohousethespray-jetandtheupperreservoirreturntube,andtheothertwocontainapairofp1180.7F—umnisfilledwithinletdimensionstopreventGlassbeads,6mmmaybeusedatthebottomdownofthetightlycoluhehascritical,heR-CURRENTOZONEABSORPTIONCOLUMNAccessed
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20077AS1180.7F—thisnotcolumnrecommendedoverthethatspray-jetitbeusedindirectoutdoor(b)collectionthereisoperationnovolatilizationissimplerofsinceiodinenotedioussinceitsprayiscarriedadjustmentsdevicepromptlyarearerequired,(a)theintoSuchflask,and(c)nopressuredropoccursintheacribedforthetitrationdifferingonlyThe250solutionandwashingsdelivermlthewide-mouthtitrantandflasktheetitratedbeusedintoa(i)dutydrycellof11/imately2.5mmindiameterand25mminlength,Connectacro11/2Vbatteryandapplythepotentialsecondaryseries,considerationforpolarity,ThewithmicroammetertheelectrodesisconnectedinthisNOTE:Itispossibletouseamicroammeterwitha0-50rangeinsteadof0-20,butwithalossofsensitivity.(ii)icationinitialofreadingThisstageandrepresentsaten-foldincrease100themVcircuitryappliedtakenforthebuffertentialshallbeautomaticallyapplied4REAGENTS.4.1ReagentsUsedforDeterminationofOzoneConcentration.(i)Reagentgradechemicalsanddistilledwatershallbeusedinalltests.(ii)ea0.025Msolutionofanhydrousdisodiumhydrogenphosphatephosphate(Na(KH2HPOPO4)anda0.025Msolutionofanhydrouspotassiumdihydrogen24).TopreparethebuffersolutionhavingapHof6.7to7.1,(iii)Potassiumiodide(KI).(iv)Sodiumthiosulphatesolution(0.020N).Preparea0.020NsodiumthiosulphateAccessed
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2007AS1180.7F—November19728(Napotassium2S2O3)iodidebromatesolution.(KBrOThismaysolutionbestandardizedtooxidizeanbyexcessusingquantityastandardofpotassium0.0200N3)Na(KI)etheliberatediodineimmediatelywiththe(Clause2S2O33.5(i))beusedtitrationtethodtheprepared0.020NNa2S2O3solutioninacooldarkplace.(v)Sodiumthiosulphatesolution(0.0020N).Prepare0.0020NNapipetteintheandeterminations0.020Nsolutionof10thetonormality1,usingaof10-mlthe0.020NN2S2O3solutionshouldbecarriedoutweekly.4.2DeterminationofOzoneConcentration.4.2.1Absorptionofozone.(i),Dissolveadjustthe15jetgtoofproduceKIin75amlfineofmist,heabsorptionthe(ii)assiumTheair-ozoneiodideisstreamaddedismmersesthe(iii)Counter-currentsolution,absorptionofKIcolumnanduse(of5).NOTES:icientoperationofthecolumndepeseisused,theheliceswillgraduallybecomecoated,hecolumndoesnotcauseasharppressuredropinthelineoranalysistrain,leakscanbeeasilypreventedbywesenter,drustarestopcock5sothatapproximately20dropsperminute()ofstopcockflowing4,estopcockflowrate3,toapply310litresthevacuum,ccessed
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20079AS1180.7F—,closestopcock4,stoptheclock,fstopcocksufficient2,solutionopenstopcockisnot5,availableandallowinR,thedistilledcolumntofillbeaker,enOpenstopcockstopcock2,and1ndflushw4.2.2Titrationforabsorbedozone.(i)fterthewashingtionTheelectrodesrun,transferaretheinsertedusedTitratecurrentwithdropwise,mthiosulphatesolutionuntilzerocurrentortheinitialaftereachWhenadditionapproachingforthecompletiontheendofpoint,titrantNotethevolumeof0.0020Nsodiumthiosulphatesolutionrequired.(ii)oonorApointerequiredforthesodiumcurrentthiosulphatetoagainreachsolutionitsNOTES:ozoneconcentrations1or2mlofthesodiumthiosulphatesolutionissufficient;thepreferredmethodwhenusingthespray-jettoremoveozonefromtheairozonestream.(iii)utionobtainedinClause4.2.1(iii)istitratedin(i)nofairCalculatebyvolumetheasozonefollows:concentrationofthe(i)trationofozone,p.=1920×B×N×TF×P×t/60whereB=millilitresofNa2S2O3solutionrequiredAccessed
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2007AS1180.7F—November197210N=normalityofNa2S2O3solutionT=absolute(measuredtemperature,attheentranceinofdegreestherotameter)Rankine(degreesCelsius+238)P=barometricpressure,inmillimetresofmercuryF=flowrate,incubicmetresperhourt=timeofrun,inminutes.(ii)trationozone,p.=1730×B×N×TF×P×t/60whereB,N,T,F,Pandtaredefinedasinparagraph(i).NOTE:tdegreespecimensofvulcanizationshallbecutasfromthataofmouldedtherubberpiececomponentshavingtheinsametheTestpiecesshallbecutfromtherubberliningand/15mmwideThetestandspecimens2.0to2.5ormmpiecesthickshallwithbetherectangulargraininthestripslengthwise150mm6PROCEDURE.(i)Conducttestsinduplicate.(ii)Measure100mmcentrallyoneachsampleandmark.(iii)esinthemountingswiththemarksalongthe(iv)PullPlacetheapinmovableineachclampholeuntiltoho:Itisstronglysuggestedthatallrubbersheetsscheduledforozonetestingbecuredbetween0.05mmaluminiumfoilor‘A200Mylar’.rnishesa‘fresh’surface,andthe24hofexposurecanbereckonedfromtheformationofthisfresh‘bloom-free’surface.(v)Thebystandardozoneconcentrationshallbe50partsperhundredmillion(p.)neconcentrationshallbemeasuredonceadayforroutinecostspecimensThisanalysis,er,IftheshallnumberbeAccessed
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200711AS1180.7F—November1972ofconcentrationsspecimensorconcentrationoperatingvariablesforwillpiecesiskeptataminimum,‘empty’and‘loaded’ozone‘empty’‘loaded’ThemhofozonesetofNOTE:onditionsencounteredinactualuseanddynamictestsinconjunctionwithstatictestsaredesirable,butnoagreementhasyetbeenreachedonastandardmethodormethods.(vi)Exposetemperaturethespecimensof40±1°estotheozoneatmospherefor70±2hata(vii)Aftercondition,thiswithperiod2×examinemagnificationthespecimensforanysignorpieces,ranysignofcrackingordeteriorationwasevidentintheAccessed
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2007AS1180.7F—November197212Thistestmethodwasapprovedonbehalfofed
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20071AS1180.7G—November1972STANDARDSASSOCIATIONOFAUSTRALIAAustralianSrsioninsodiumchloridetheeffectsolutionwhenfolloweembledhoseissubjectedtoAftertreatmening3APPARATUSANDREAGENTS.(i)Acontainerofsuitablesizetoholdtestspecimens(seeClause4below).(ii)Aforcedconvectionovencapableofoperatingcontinuouslyat60±2°C.(iii)Apparatusforhydrostaticbursttest(seeAS1180.5A).(iv)Asodiumchloridesolution25g/ggedhoseassemblieshavingaminimumfulllength5PROCEDURE.(i)Immersefor5min,twothenassembliesovendryverticallyat60±2°inedatroomtemperature(ii)Repeatstep(i)335times.(iii)thefollowing:(i)Whetherornotburstingoccurredbelowtheminimumrequiredburstpressure.(ii)Anypressure,lheminimumrequiredburstaAccessed
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2007AS1180.7G—November19722Thistestmethodwasapprovedonbehalfofed
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20071AS1180.7J—November1972STANDARDSASSOCIATIONOFAUSTRALIAAustralianSallyvacuum,Thehoseassemblyissubjectedtosustainedvacuumand,stering,collapseorotherdefectand3APPARATUS.(i)Adevicecapableofmaintainingareductioninambientairpressureof85kPa.(ii)Atrtspecimenofsuitablelengthhavingfittingcapableontheofotherbeingendconnectedsuchthattothethelcsononecap5PROCEDURE.(i)ecimeninastraightpositionwithoneendconnectedtothe(ii)arentcapandapplyareductioninambientair(iii)acuumvisuallyexaminetheliningandIfthelengthorsizeofthehoseprecludesvisualexamination,assessasfollows:(a)For6.5mmhoseslessofin12.5diametermminternalthanthediameterbore,rcylinder,(b)For3.0mmhoselesssizesindiameterunder12.5thanmmtheinternalbore,rcylinder,thefollowing:(i)Anysignsofvisualblisteringofthelining.(ii)Anycollapse.(iii)sed
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2007AS1180.7J—November19722Thistestmethodwasapprovedonbehalfofed
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20071AS1180.8A—November1972STANDARDSASSOCIATIONOFAUSTRALIAAustralianSisflexedwhilecold,thenexamined3APPARATUS.(i)beraccommodatemaintainedthetestatspecimen,−40±1°Cand(unlesscontainingotherwiseameansspecified)ofhandlingofsuitablethe(ii)tertwicethatoftheminimumspecifiedbendradiusofthe(iii)Apparatusforproofpressuretesting(seeAS1180.5B).afreelengthofhoseatleastfourtimes5PROCEDURE.(i)Placethetestspecimeninthecoldchamberandholdat−40±1°tillat−40°:ForhosehavinganIDoflessthan25mmbendthrough180degrees;forhosehavinglargerIDbendthrough90degrees.(ii)Allowforcrackscracksthetestandandspecimensignsthenofapplytoleakagethereturnorprooftoroomotherpressuretemperature,(AS1180.5B).ceofcovercracksandanysignofleakageorotheraAccessed
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2007AS1180.8A—November19722Thistestmethodwasapprovedonbehalfofed
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20071AS1180.8B—November1972STANDARDSASSOCIATIONOFAUSTRALIAAustralianSmethodresistanceisderivedtocoldfromflexingASTMoftheD380—coldand,pieceswhileofthecold,eare3APPARATUS.(i)Apermitcoldoperationchambermaintainedofaflexingatfixture−40±loaded1°accommodateand(ii)Aofflexingfixture(seeFig.1)consistingoftwoparallelpositionatleastdevices6550mmmmsosupportedinguidesthattheymayplatesberapidlyeachhavingmovedafromwidthaeachholdtothat,whenmounted,GFIXTUREbAccessed
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2007AS1180.8B—hosetestuppiecesto32mmofeachnominalofthediameterliningandandforcovertransverseprovidingtensionforTherubbercomponentsareobtainedfromthehose(withoutusingsolvent)rationandseparatingeachportionalittlegrippingataentastopermit(commercialfreeevaporationiso-octaneofisthesatisfactory)cknessof20.3±0.3mmandcuttoshapeusingtheShouldmanufactureritbeimpossibletoobtaincomponentshavingsamemaybeobligedtofurnishasampleoftheacuredthicknessrubberoftaken20.3frewasmadeandhavingacureequivalent5PROCEDURE.(i)tpiecesintheflexingfixturewiththeenlargedendsspacedatleast(ii)Preconditioninthecoldchamberfor5hat−40±1°C.(iii)e65mmdistanceofseparationtoaflexingpositionfixturewhileastheyrapidlyareonlyas(iv)Inspectforcracksorfractureswhileinthisposition.6INTERPRETATION.(i)IffracturesbothtestspecimensofthetubeorofIfbothspecimensaftertesting,crack,thethecompoundcompoundshallshallbetheconside(ii)oneandoftwotheseadditionalcracks,thespecimenscompoundofthatshallpartthenofthecracks,ed
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20073AS1180.8B—November1972AS1180.8B—November19724DIMENSIONSOFSTANDARDDUMBBELLDIES*(SeeFig.2)DimensionUnitsToleranceDieADieBDieCDieDDieEDieFAmm±16in±0.041110.620.620.62Bmmmax4inmax1.61.61.61.21.21.2Cmmmin145125inmin5.55.54.5455Dmm±6†323232323232in±0.25†1.251.251.251.251.251.25D-Emm±13in±0.040.50.50.50.50.50.5Fmm±2383819193838in±0.081.51.50.750.751.51.5Gmm±14in±0.040.560.560.560.560.560.56Hmm±2252525161616in±0.081110.630.630.63Lmm±2595933335959in±0.082.322.321.311.312.322.32Wmm+0.05—0.001266336in+0.002—0.0000.5000.2500.2500.1250.1250.250*Dieswhosedimensionsareexpressedinmetricunitsarenor,mensionedinmetricunitsareintendedforusewithapparatuscalibratedinmetricunits.†Fordiesusedinclickingmachinesitispreferablethatthistolerancebe±0.5mmor±stmethodwasapprovedonbehalfofed
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2007Standards AustraliaStandards Australia is an independent company, limited by guarantee, which prepares and publishesmost of the voluntary technical and commercial standards used in Australia. These standards aredeveloped through an open process of consultation and consensus, in which all interested parties areinvited to participate. Through a Memorandum of Understanding with the Commonwealth government,Standards Australia is recognized as Australia’s peak national standards lian StandardsAustralian Standards are prepared by committees of experts from industry, governments, consumersand other relevant sectors. The requirements or recommendations contained in published Standards area consensus of the views of representative interests and also take account of comments received fromother sources. They reflect the latest scientific and industry experience. Australian Standards are keptunder continuous review after publication and are updated regularly to take account of ational InvolvementStandards Australia is responsible for ensuring that the Australian viewpoint is considered in theformulation of international Standards and that the latest international experience is incorporated innational Standards. This role is vital in assisting local industry to compete in international rds Australia represents Australia at both ISO (The International OrganizationAccessed
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