LOCTITE 272™ - Grainger Industrial Supply

1 TechnicalDataSheet LOCTITE 272 December-2013 PRODUCTDESCRIPTIONLOCTITE 272 providesthefollowingproductcharacteristi cs:TechnologyAcrylicChemicalTypeDimethac rylateesterAppearance(uncured)Red-orange liquidLMSC omponentsOne component - requiresnomixingViscosityMediumCureAnaer obicSecondaryCureActivatorApplicationThr eadlockingStrengthHighLOCTITE 272 isdesignedforthepermanentlockingandseali ngofthreadedfasteners. Theproductcureswhenconfinedintheabsenceo fairbetweenclosefittingmetalsurfacesandp reventslooseningandleakagefromshockandvi bration. Typicalapplicationsincludethelockingands ealingof largeboltsandstuds(M25andlarger).TYPICAL PROPERTIESOFUNCUREDMATERIALS pecificGravity@ 25 SeeSDSV iscosity,Brookfield - RVT, 25 C,mPa s(cP):Spindle4, speed20rpm,4,000 to15, Thegraphbelowshowsthebreakawaystrengthde velopedwithtimeonM10steelnutsandboltscom paredtodifferentmaterialsandtestedaccord ingto ISO10964.

2 % of Full Strength on SteelCure Time10075502501min5min10min30min1h3h6h24 h72hSteelPhos/oilZinc dichromateAs received Thegraphbelowshowsthebreakawaystrengthde velopedwithtimeatdifferenttemperatureson M10steelnutsandboltsandtestedaccordingto of Full Strength on SteelCure Time10075502501min5min10min30min1h3h6h24 h72h40 C22 C5 ,orlargegapsarepresent,applyingactivator tothesurfacewillimprovecurespeed. Thegraphbelowshowsthebreakawaystrengthde velopedwithtime onM10zincdichromatesteelnutsandboltsusin gActivator 7471 and7649 andtestedaccordingto of Full Strength on SteelCure Time10075502501min5min10min30min1h3h6h24 h72hActivator 7471 Activator 7649 No activatorTDSLOCTITE 272 , December-2013 TYPICALPROPERTIESOFCUREDMATERIALP hysicalProperties:Coefficientof ThermalExpansion, ISO11359-2, K-180 10-6 Coefficientof ThermalConductivity, ISO8302,W/(m K) ,kJ/(kg K) 24 hours @22 CBreakawayTorque,ISO10964.

3 M10 steelnuts and bolts N m 23 ( ) (200)3/8x16steelnuts(grade2) and bolts(grade5) N m 18 LMS ( ) ( 159)PrevailTorque,ISO10964:M10 steelnuts and bolts N m 25 ( ) (220)3/8x16steelnuts(grade2) and bolts(grade5) N m 18 LMS ( ) ( 159)CompressiveShearStrength, ISO10123:Steelpinsandcollars N/mm (psi) ( 2,102)Curedfor 24 hours @22 C followedby72 hours@200 C, tested@200 CCompressiveShearStrength, ISO10123:Steelpinsandcollars N/mm 20 LMS (psi) ( 2,900)TYPICALENVIRONMENTAL RESISTANCEC uredfor 24 hours @22 CBreakawayTorque,ISO10964:M10 steelnuts and boltsHotStrengthTestedat temperature% Strength @ 22 CTemperature, C1007550250050100150200 Chemical/SolventResistanceAgedundercondi tionsindicatedandtested @22 C.

4 %ofinitialstrengthEnvironment C720hAirreference87100 Motoroil(MIL-L-46152)8762 Gasoline8762 Water8758 ProcessingTemperature8787 Toluene8780 Phosphateester8770 GENERALINFORMATIONT hisproductisnotrecommendedforuseinpureox ygenand/oroxygenrichsystemsandshouldnotb eselectedasa sealantforchlorineorotherstrongoxidizing ,consulttheSafetyDataSheet(SDS).Whereaqu eouswashingsystemsareusedtocleanthesurfa cesbeforebonding,itisimportanttocheckfor compatibilityofthewashingsolutionwiththe adhesive. Insomecasestheseaqueouswashescanaffectth ecureandperformanceof notnormallyrecommendedforuseonplastics(p articularlythermoplasticmaterialswherest resscrackingoftheplasticcouldresult).

5 Usersarerecommendedtoconfirmcompatibilit yof ,cleanall surfaces(externalandinternal)witha LOCTITE cleaningsolvent thematerialis aninactivemetalorthecurespeedistooslow,s prayallthreadswith Activator 7471 or7649 and allow , , applyseveraldropsoftheproductontothebolt at , applyseveraldropsoftheproductdowntheinte rnalthreads tothebottomof , applya 360 beadof producttotheleadingthreadsofthemalefitti ng, ,adjustproductamountaccordinglyandapplya 360 beadof localizedheatto nutorbolt to approximately 250 C. a LOCTITE solvent, 7200andmechanicalremovalwithHenkel Americas+ Europe+ AsiaPacific+ 272 , December-2013a softscraper. softclothdampenedwithLoctite Cleaner, 7063orLoctite February-14, 2000.

6 Testreportsforeachbatchareavailableforth eindicatedproperties. LMStestreportsincludeselectedQCtestparam etersconsideredappropriatetospecificatio nsforcustomeruse. Additionally,comprehensivecontrolsareinp lacetoassureproductqualityandconsistency . Specialcustomerspecificationrequirements maybecoordinatedthroughHenkel drylocation. : 8 Cto21 C. Storagebelow8 Corgreaterthan28 Donotreturnproducttotheoriginalcontainer . additionalinformationis required, ( Cx )+ 32= FkV/mmx V/milmm/ inches m/ milN x lbN/mmx lb/inN/mm x 145= psiMPax 145= psiN m x lb inN mx lb ftN mm oz inmPa s= cPNote:TheinformationprovidedinthisTechn icalDataSheet(TDS) ,therefore,notliableforthesuitabilityofo urproductfortheproductionprocessesandcon ditionsinrespectofwhichyouusethem, confirmsuchsuitabilityof respectoftheinformationin theTechnicalDataSheetoranyotherwrittenor oralrecommendation(s)regardingtheconcern edproductis excluded,exceptif ,HenkelElectronicMaterialsNV,HenkelNeder landBV,HenkelTechnologiesFranceSASandHen kelFranceSApleaseadditionallynotethefoll owing.

7 IncaseHenkelwouldbeneverthelessheldliabl e,onwhateverlegalground,Henkel sliabilitywillin noeventexceedtheamountof , applicable:TheinformationprovidedinthisT echnicalDataSheet(TDS) ,therefore,notliableforthesuitabilityofo urproductfortheproductionprocessesandcon ditionsinrespectofwhichyouusethem, confirmsuchsuitabilityof respectoftheinformationin theTechnicalDataSheetoranyotherwrittenor oralrecommendation(s)regardingtheconcern edproductis excluded,exceptif ,ResinTechnologyGroup,Inc.,orHenkelCanad aCorporation, 'sresponsibilitytodeterminesuitabilityfo rtheuser'spurposeofanyproductionmethodsm entionedhereinandtoadoptsuchprecautionsa smaybeadvisablefortheprotectionofpropert yandof personsagainstanyhazardsthatmaybeinvolve din ,HenkelCorporationspecificallydisclaimsa llwarrantiesexpressedorimplied,including warrantiesofmerchantabilityorfitnessfora particularpurpose,arisingfromsaleoruseof HenkelCorporation , ,usingthisdataasa ,alltrademarksinthisdocumentare trademarksof denotesatrademarkregisteredin Americas+ Europe+ AsiaPacific+