Technical Data Sheet LOCTITE 2440™

1 TechnicalDataSheet LOCTITE 2440 September-2004 PRODUCTDESCRIPTIONLOCTITE 2440 provides thefollowingproductcharacteristics:Techn ologyAcrylicChemicalTypeDimethacrylatees terAppearance(uncured)Blue,homogeneous liquidLMSF luorescencePositive underUVlightLMSC omponentsOne component - requiresnomixingViscosityMediumCureAnaer obicSecondaryCureActivatorApplicationThr eadlockingStrengthMediumLOCTITE 2440 isdesignedforthelockingandsealingofthrea dedfastenerswhichrequire normaldisassemblywithstandardhandtools. 2440 isparticularlyfastcuringtherebyreducingo reliminatingtheneedforactivators. Particularlysuitableforapplicationssucha spumpormotormountingbolts,enginerockernu tsorequipmenthousingscrews, wheredisassemblywithhandtoolsis @ 25 SeeMSDSV iscosity,Brookfield - RVT, 25 C,mPa s(cP):Spindle3, ,500 to8,500 Spindle3, speed20rpm1,000 to2, Thegraphbelowshowsthebreakloosestrengthd evelopedwithtimeon3/8x 16steel nuts& boltscomparedtodifferentmaterialsandtest edaccordingtoISO10964.

2 Allsamplespre-torquedto5N of Full Strength on SteelCure Time10075502501min5min10min30min1h3h6h24 h72hSteelZinc PhosphateReoiled SteelStainless Thegraphbelowshowsthebreakloosestrengthd evelopedwithtimeatdifferenttemperatures on3/8x 16steel nuts& boltsandtestedaccordingto ISO10964. Allsamplespre-torquedto 5 N of Full Strength on SteelCure Time10075502501min5min10min30min1h3h6h24 h72h22 C5 C40 ,orlargegapsarepresent,applyingactivator tothesurfacewillimprovecurespeed. Thegraphbelowshowsthebreakloosestrengthd evelopedwithtimeusingActivator 7471 and7649 on3/8x 16zincdichromatesteelnutsandboltsandtest edaccordingto ISO10964. Allsamplespre-torquedto 5 N of Full Strength on SteelCure Time10075502501min5min10min30min1h3h6h24 h72hActivator 7471 Activator 7649 No ActivatorTYPICALPERFORMANCEOFCUREDMATERI ALA dhesivePropertiesAfter 2 hours @22 CBreakawayTorque,ISO10964:3/8x 16steelnuts(grade2) and bolts(grade5) (degreased) N m ( ) ( 100)PrevailTorque,ISO10964:3/8x 16steelnuts(grade2) and bolts(grade5) (degreased) N m 3 LMS ( ) ( 26)After 24 hours @22 CBreaklooseTorque,ISO10964,Pre-torquedto 5N m:3/8x 16steelnuts(grade2) and bolts(grade5) N m 24 ( ) (215)TDSLOCTITE 2440 , ,ISO10964,Pre-torquedto 5N m.

3 3/8x 16steelnuts(grade2) and bolts(grade5) N m 6 ( ) (53)TYPICALENVIRONMENTAL RESISTANCEC uredfor 24 hours @22 CBreaklooseTorque,ISO10964,Pre-torquedto 5N m:3/8x 16zincphosphate& oilnutsandboltsHotStrengthTestedat temperature% RT StrengthTemperature, C1007550250050100150200250 HeatAgingAgedat temperatureindicatedandtested @22 C% Initial Strength, at RTHours125100755025005001000100 C125 C150 CChemical/SolventResistanceAgedundercond itionsindicatedandtested @22 C. %ofinitialstrengthEnvironment C1000hMotorOil125115 Gasoline2295 Brakefluid2290 TransmissionFluid87120 Waterglycol50/5087105 Ethanol2280 Acetone2260 IPA2290 GENERALINFORMATIONT hisproductisnotrecommendedforuseinpureox ygenand/oroxygenrichsystemsandshouldnotb eselectedasa ,consulttheMaterialSafetyDataSheet(MSDS) .Whereaqueouswashingsystemsareusedtoclea nthesurfacesbeforebonding,itisimportantt ocheckforcompatibilityofthewashingsoluti onwiththeadhesive.

4 Insomecasestheseaqueouswashescanaffectth ecureandperformanceof notnormallyrecommendedforuseonplastics(p articularlythermoplasticmaterialswherest resscrackingoftheplasticcouldresult). Usersarerecommendedtoconfirmcompatibilit yof ,cleanall surfaces(externalandinternal)witha Loctitecleaningsolvent andallowto thematerialis aninactivemetalorthecurespeedis tooslow,sprayallthreadswith Activator7471 or7649 and allow thenozzle,donotallowthetipto , applyseveraldropsoftheproductontothebolt at , applyseveraldropsoftheproductdowntheinte rnalthreads tothebottomof , applya 360 beadofproducttotheleadingthreadsofthemal efitting, ,adjustproductamountaccordinglyandapplya 360 beadof ,applylocalizedheattonutorbolttoapproxim ately250 C. , 2003. Testreportsforeachbatchareavailableforth eindicatedproperties. LMStestreportsincludeselectedQCtestparam etersconsideredappropriatetospecificatio nsforcustomeruse.

5 Additionally,comprehensivecontrolsareinp lacetoassureproductqualityandconsistency . Specialcustomerspecificationrequirements maybecoordinatedthroughHenkel + + + 2440 , September-2004 StorageStoreproductintheunopenedcontaine rina drylocation. : 8 Cto21 C. Storagebelow8 Corgreaterthan28 CcanadverselyaffectproductpropertiesMate rialremovedfromcontainersmaybecontaminat edduringuse. Donotreturnproducttotheoriginalcontainer . additionalinformationis required, ( Cx )+ 32= FkV/mmx V/milmm/ inchesN x lbN/mmx lb/inN/mm x 145= psiMPax 145= psiN m x lb inN mm oz inmPa s= cPNoteThedatacontainedhereinarefurnished forinformationonlyandarebelievedtobereli able. Wecannotassumeresponsibilityfortheresult sobtainedbyothersoverwhosemethodswehaven ocontrol. It istheuser'sresponsibilitytodeterminesuit abilityfortheuser' ,HenkelCorporationspecificallydisclaimsa llwarrantiesexpressedorimplied,including warrantiesofmerchantabilityorfitnessfora particularpurpose,arisingfromsaleoruseof HenkelCorporation sproducts.

6 HenkelCorporationspecificallydisclaimsan yliabilityforconsequentialorincidentalda magesofanykind,includinglostprofits. Thediscussionhereinofvariousprocessesorc ompositionsisnottobeinterpretedasreprese ntationthattheyarefreefromdominationofpa tentsownedbyothersorasa licenseunderanyHenkelCorporationpatentst hatmaycoversuchprocessesorcompositions. Werecommendthateachprospectiveusertesthi sproposedapplicationbeforerepetitiveuse, usingthisdataasa guide. ,alltrademarksinthisdocumentare trademarksof + + +