Technical Data Sheet LOCTITE 577

1 TechnicalDataSheet LOCTITE 577 May-2004 PRODUCTDESCRIPTIONLOCTITE 577provides thefollowingproductcharacteristics:Techn ologyAcrylicChemicalTypeDimethacrylateEs terAppearance(uncured)Yellow PasteLMSF luorescencePositive underUVlightLMSC omponentsOne component- requiresnomixingViscosityHigh, thixotropicCureAnaerobicSecondaryCureAct ivatorApplicationThreadSealingStrengthMe diumLOCTITE 577is designedforthelockingandsealingofmetalth readedpipesandfittings. Particularlysuitableforuseonstainlessste elwithouttheneedforsurfaceactivation. Theproductcureswhenconfinedintheabsenceo fairbetweenclosefittingmetalsurfacesandp reventslooseningandleakagefromshockandvi bration.

2 ThethixotropicnatureofLOCTITE 577reducesthemigrationofliquidproductaft erapplicationto @ 25 SeeMSDSV iscosity,Brookfield - RVT, 25 C,mPa s(cP):Spindle6, ,000 to130,000 LMSS pindle6, speed20rpm16,000 to33, Thegraphbelowshowsthebreakawaystrengthde velopedwithtimeonM10steelnutsandboltscom paredtodifferentmaterialsandtestedaccord ingto of Full Strength on SteelCure Time10075502501min5min10min30min1h3h6h24 h72hSteelBrassZinc DichromateStainless Gapsinthreadedfastenersdependsonthreadty pe, of Full Strength on SteelCure Thegraphbelowshowsthebreakawaystrengthde velopedwithtimeatdifferenttemperatureson M10steelnutsandboltsandtestedaccordingto of Full Strength on SteelCure Time10075502501min5min10min30min1h3h6h24 h72h40 C22 C5.

3 Orlargegapsarepresent,applyingactivatort othesurfacewillimprovecurespeed. Thegraphbelowshowsbreakawaystrengthdevel opedwithtimeusingActivator of Full Strength on SteelCure Time10075502501min5min10min30min1h3h6h24 h72hActivator 7471 Activator 7649No ActivatorTDSLOCTITE 577, May-2004 TYPICALPROPERTIESOFCUREDMATERIALP hysicalProperties:Coefficientof ThermalExpansion, ASTMD 696, K-180 10-6 Coefficientof ThermalConductivity,ASTMC 177,W/(m K) ,kJ/(kg K) 24 hours @22 CBreakawayTorque,ISO10964:M10 steelnuts and bolts N m 11 ( ) (100)PrevailTorque,ISO10964:M10 steelnuts and bolts N m 6 ( ) (50)BreaklooseTorque,ISO10964,Pre-torque dto 5N m:M10 steelnuts and bolts N m 17 ( ) (150) ,ISO10964,Pre-torquedto 5N m:M10 steelnuts and bolts N m 17 ( ) (150)CompressiveShearStrength, ISO10123:Steelpinsandcollars N/mm 5 LMS (psi) (725)TYPICALENVIRONMENTAL RESISTANCEC uredfor 1 week @22 CBreaklooseTorque,ISO10964,Pre-torquedto 5N m.

4 M10 zincphosphate steelnuts and boltsHotStrengthTestedat temperature% RT StrengthTemperature, C1007550250050100150 HeatAgingAgedat temperatureindicatedandtestedat 22 C% Initial Strength at RTHours125100755025001000200030004000500 0120 C150 CChemical/SolventResistanceAgedundercond itionsindicatedandtestedat 22 C. %ofinitialstrengthEnvironment C100hr500hr1000hrMotorOil125100100100 UnleadedPetrol22100100100 Brakefluid2210010095 Ethanol2210010095 Acetone22908065 WaterGlycol50/50871009090 GENERALINFORMATIONT hisproductisnotrecommendedforuseinpureox ygenand/oroxygenrichsystemsandshouldnotb eselectedasa ,consulttheMaterialSafetyDataSheet(MSDS) .

5 Whereaqueouswashingsystemsareusedtoclean thesurfacesbeforebonding,itisimportantto checkforcompatibilityofthewashingsolutio nwiththeadhesive. Insomecasestheseaqueouswashescanaffectth ecureandperformanceof notnormallyrecommendedforuseonplastics(p articularlythermoplasticmaterialswherest resscrackingoftheplasticcouldresult). Usersarerecommendedtoconfirmcompatibilit yof ,cleanall surfaces(externalandinternal)witha Loctitecleaningsolvent andallowto thematerialis aninactivemetalorthecurespeedis toslow,spraywith Activator7471or7649 and allow 360 beadofproducttotheleadingthreadsofthemal efitting, ,adjustproductamountaccordinglyandapplya 360 ,assembleandwrenchtightenfittingsuntilpr operalignmentis FormaximumpressureresistanceandsolventHe nkelLoctiteAmericas+ + + 577, May-2004resistanceallowtheproducttocurea (over1"),applylocalizedheat toapproximately250 C.

6 , 2001. Testreportsforeachbatchareavailableforth eindicatedproperties. LMStestreportsincludeselectedQCtestparam etersconsideredappropriatetospecificatio nsforcustomeruse. Additionally,comprehensivecontrolsareinp lacetoassureproductqualityandconsistency . drylocation. : 8 Cto21 C. Storagebelow8 Corgreaterthan28 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.

7 Wecannotassumeresponsibilityfortheresult sobtainedbyothersoverwhosemethodswehaven ocontrol. It istheuser'sresponsibilitytodeterminesuit abilityfortheuser' ,HenkelCorporationspecificallydisclaimsa llwarrantiesexpressedorimplied,including warrantiesofmerchantabilityorfitnessfora particularpurpose,arisingfromsaleoruseof HenkelCorporation sproducts. HenkelCorporationspecificallydisclaimsan yliabilityforconsequentialorincidentalda magesofanykind,includinglostprofits. Thediscussionhereinofvariousprocessesorc ompositionsisnottobeinterpretedasreprese ntationthattheyarefreefromdominationofpa tentsownedbyothersorasa licenseunderanyHenkelCorporationpatentst hatmaycoversuchprocessesorcompositions.

8 Werecommendthateachprospectiveusertesthi sproposedapplicationbeforerepetitiveuse, usingthisdataasa guide. a trademarkof HenkelCorporationReference1 HenkelLoctiteAmericas+ + +