Transcription of Technical Data Sheet LOCTITE 495
1 TechnicalDataSheet LOCTITE 495 May-2004 PRODUCTDESCRIPTIONLOCTITE 495provides thefollowingproductcharacteristics:Techn ologyCyanoacrylateChemicalTypeEthylcyano acrylateAppearance(uncured)Transparent,c olorlesstostrawcoloredliquidLMSC omponentsOne part- requiresnomixingViscosityLowCureHumidity ApplicationBondingKeySubstratesPlastics, Rubbers andMetalsLOCTITE 495isa @ 25 ,Cone& Plate,mPa s(cP):Temperature: 25 C,ShearRate:3,000s-120 to45 LMSV iscosity,Brookfield - LVF, 25 C,mPa s(cP):Spindle1, speed30rpm20 to60 VapourPressure,hPa<1 FlashPoint- SeeMSDSTYPICALCURINGPERFORMANCEU ndernormalconditions,theatmosphericmoist ureinitiatesthecuringprocess. Althoughfullfunctionalstrengthis developedin a relativelyshorttime,curingcontinuesforat least24hoursbeforefullchemical/solventre sistanceis Thetablebelowshowsthefixturetimeachieved ondifferentmaterialsat22 C/ 50% shearstrengthof.
2 FixtureTime,ISO4587, seconds:MildSteel (degreased)10 to30 Aluminum (degreased)5 to15 ZincDichromate30 to90 Neoprene<5 Rubber,Nitrile<5 ABS10 to30 PVC3 to10 Polycarbonate20 to60 Phenolic5 Thinbondlinesresultinhighcurespeeds,incr easingthebondgapwilldecreasetherateof Thefollowinggraphshowsthetensilestrength developedwithtimeonBunaN rubberat differentlevelsof Full Cured Strength @ RTCure Time, seconds1007550250010203040506060% RH40% RH20% ,applyingactivatortothesurfacewillimprov ecurespeed. However,thiscanreduceultimatestrengthoft hebondandthereforetestingis recommendedto 24 hours @22 CPhysicalProperties:Coefficientof ThermalExpansion, ASTMD 696, K-1100 10-6 Coefficientof ThermalConductivity,ASTMC 177,W/(m K) , C165 Electrical Properties:DielectricConstant/ DissipationFactor,ASTMD 150 < < < ,ASTMD 257, cm2 1015 to10 1015 SurfaceResistivity,ASTMD 257, 10 1015 to80 1015 DielectricBreakdownStrength,ASTMD149,kV/ mm25 TYPICALPERFORMANCEOFCUREDMATERIALA dhesivePropertiesAfter 24 hours @22 CLapShearStrength,ISO4587.
3 Steel (gritblasted) N/mm 12 to26 (psi) (1,740 to3,770)Aluminum (gritblasted) N/mm 12 to19 (psi) (1,740 to2,755)ZincDichromate N/mm 6 to13 (psi) (870 to1,885)ABS N/mm 6 to20 (psi) (870 to2,900)PVC N/mm 6 to20 (psi) (870 to2,900)Polycarbonate N/mm 5 to20 (psi) (725 to2,900)Phenolic N/mm 5 to15 (psi) (725 to2,175)Neoprene N/mm 5 to15 (psi) (725 to2,175)TDSLOCTITE 495, May-2004 Nitrile N/mm 5 to15 (psi) (725 to2,175)TensileStrength,ISO6922:Steel N/mm 12 to25 (psi) (1,740 to3,625)Buna-N N/mm 5 to15 (psi) (725 to2,175)"T"PeelStrength,ISO11339:Steel (degreased) N/mm < (lb/in) (< )After 10 seconds @22 CTensileStrength,ISO6922:Buna-N N/mm (psi) ( 870)TYPICALENVIRONMENTAL RESISTANCEA fter 1 week @22 CLapShearStrength,ISO4587:Mildsteel (gritblasted) HotStrengthTestedat temperature% RT StrengthTemperature, C1007550250-50050100150 HeatAgingAgedat temperatureindicatedandtested @22 C% Initial Strength at RTHours125100755025001000200030004000500 080 C100 C60 CChemical/SolventResistanceAgedundercond itionsindicatedandtested @22 C.
4 %ofinitialstrengthEnvironment C100hr500hr1000hrMotorOil4010010095 Gasoline22100100100 Isopropanol22100100100 Ethanol22100100100 FreonTA221001001001,1,1 Trichloroethane22100100100 Heat/Humidity95%RH40807565 Heat/Humidity95%RHonPolycarbonate4010010 0100 GENERALINFORMATIONT hisproductisnotrecommendedforuseinpureox ygenand/oroxygenrichsystemsandshouldnotb eselectedasa ,consulttheMaterialSafetyDataSheet(MSDS) . thinbondgaps( ). , , 2002. Testreportsforeachbatchareavailableforth eindicatedproperties. LMStestreportsincludeselectedQCtestparam etersconsideredappropriatetospecificatio nsforcustomeruse. Additionally,comprehensivecontrolsareinp lacetoassureproductqualityandconsistency . drylocation. : 2 Cto8 C. Storagebelow2 Corgreaterthan8 Ccanadverselyaffectproductproperties. Materialremovedfromcontainersmaybecontam inatedduringuse.
5 Donotreturnproducttotheoriginalcontainer . additionalinformationis required, ( Cx )+ 32= FkV/mmx V/milmm/ inchesN x lbN/mmx lb/inN/mm x 145= psiMPax 145= psiN m x mm s= cPHenkelLoctiteAmericas+ + + 495, May-2004 NoteThedatacontainedhereinarefurnishedfo rinformationonlyandarebelievedtobereliab le. 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.
6 Werecommendthateachprospectiveusertesthi sproposedapplicationbeforerepetitiveuse, usingthisdataasa guide. a trademarkof HenkelCorporationReference1 HenkelLoctiteAmericas+ + +
