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3Scotch-WeldTMEpoxyAdhesivesDP460Off-White•DP460NSProductDescription3M™Scotch-Weld™EpoxyAdhesivesDP460Off-WhiteandDP460NSarehighperformance,two-partepoxyadhesivesofferingoutstandingshearandpeeladhesion,andveryhighlevelsofdurability.Features•Highshearstrength•Controlledflow•Highpeelstrength•60minuteworklife•Outstandingenvironmentalperformance•Nonsag(Scotch-WeldDP460NS)•EasymixingTechnicalDataMarch,2004TypicalUncuredPhysicalPropertiesNote:Thefollowingtechnicalinformationanddatashouldbeconsideredrepresentativeortypicalonlyandshouldnotbeusedforspecificationpurposes.Scotch-WeldScotch-WeldEpoxyAdhesiveEpoxyAdhesiveProductDP460Off-WhiteDP460NSViscosity(approx.)Base20,000-50,000cps150,000-275,000cps@73°F(23°C)Accelerator8,000-14,000cps8,000-14,000cpsBaseResinBaseepoxyepoxyAcceleratoramineamineColorBasewhitewhiteAcceleratoramberamberNetWeightBase9.3-9.79.3-9.7Lbs./GallonAccelerator8.8-9.28.8-9.2MixRatio(B:A)Volume2:12:1Weight2:0.962:0.96Worklife,73°F(23°C)20gmixed60minutes60minutes10gmixed75minutes60minutes5gmixed90minutes60minutes-1-Scotch-WeldTMEpoxyAdhesivesDP460Off-White•DP460NS-2-Product3M™Scotch-Weld™3M™Scotch-Weld™EpoxyAdhesiveEpoxyAdhesiveDP460Off-WhiteDP460NSPhysicalColorOpaque,off-whiteOff-whiteShoreDHardness75-8078-84ThermalCoefficientofThermalBelowTg59x10-674.44x10-6ExpansionAboveTg159x10-6166x10-6(in./in./°C)ThermalConductivity0.1040.104(btu-ft./ft.2-hr.-°F)@45°CElectricalDielectricStrength(ASTMD149)1100volts/mil727volts/milVolumeResistivity(ASTMD257)2.4x1014ohm-cm3.25x1015ohm-cmTypicalCuredThermalPropertiesNote:Thefollowingtechnicalinformationanddatashouldbeconsideredrepresentativeortypicalonlyandshouldnotbeusedforspecificationpurposes.TypicalCuringCharacteristicsNote:Thefollowingtechnicalinformationanddatashouldbeconsideredrepresentativeortypicalonlyandshouldnotbeusedforspecificationpurposes.RateofStrengthBuild-UpAluminum,OverlapShear(7milBondline)(ASTMD1002-72)BondsTestedat73°F(23°C)Scotch-WeldEpoxyAdhesiveDP460Off-WhiteTimeinOvenCureTemperature73°F(23°C)120°F1(49°C)140°F1(60°C)30min.—503000/60260—13004500/60290—4300/602—2hr.—4400/60248003—4800/602—5400——61000——73500——244000/602Scotch-WeldEpoxyAdhesiveDP460NS1Thisrepresentstheoventemperaturetowhichthebondsweresubjectedfortheprescribedtime.Theaveragebondlinetemperatureduringthecuretimewillbesomewhatlowerthantheoventemperature.2Thevalueinthedenominatoristheexpectedminimum73°F(23°C)T-peelstrength(piw)measuredaftertheindicatedcurecycle.NOTE:ThedatainthisTechnicalDataSheetweregeneratedusingthe3M™EPX™ApplicatorSystemequippedwithanEPXstaticmixer,accordingtomanufacturer’sdirections.Thoroughhand-mixingwillaffordcomparableresults.TimeinOvenCureTemperature73°F(23°C)120°F1(49°C)160°F1(71°C)15min.—–486030—10525060—280053002hr.15050547044654005320697055705140244500–5210Scotch-WeldTMEpoxyAdhesivesDP460Off-White•DP460NS-3-TypicalAdhesivePerformanceCharacteristicsNote:Thefollowingtechnicalinformationanddatashouldbeconsideredrepresentativeortypicalonlyandshouldnotbeusedforspecificationpurposes.SubstratesandTestingA.OverlapShear(ASTMD1002-72)Overlapshear(OLS)strengthsweremeasuredon1in.wide1/2in.overlapspecimens.Thesebondsweremadeindividuallyusing1in.x4in.piecesofsubstrateexceptforaluminum.Twopanels0.063in.thick,4in.x7in.of2024T-3cladaluminumwerebondedandcutinto1in.widesamplesafter24hours.Thethicknessofthebondlinewas0.005-0.008in.Allstrengthsweremeasuredat73°F(23°C)exceptwherenoted.Theseparationrateofthetestingjawswas0.1in.perminuteformetals,2in.perminuteforplasticsand20in.perminuteforrubbers.Thethicknessofthesubstrateswere:steel,0.060in.;othermetals,0.05-0.064in.;rubbers,0.125in.;plastics,0.125in.B.T-peel(ASTMD1876-61T)T-peelstrengthsweremeasuredon1in.widebondsat73°F(23°C).Thetestingjawseparationratewas20inchesperminute.Thesubstrateswere0.032in.thick.C.BellPeel(ASTMD3167)Bellpeelstrengthsweremeasuredon1/2in.widebondsatthetemperaturesnoted.Thetestingjawseparationratewas6in.perminute.Thebondsaremadewith0.064in.bondedto0.025in.thickadherends.D.CureCycleWiththeexceptionofRateofStrengthBuild-UpTests,allbonds,werecured7daysat73°F(23°C)at50%RHbeforetestingorsubjectedtofurtherconditioningorenvironmentalaging.Aluminum,OverlapShear,atTemperature(PSI)3M™Scotch-Weld™3M™Scotch-Weld™EpoxyAdhesiveEpoxyAdhesiveDP460Off-WhiteDP460NS-67°F(-55°C)4500490073°F(23°C)45004650180°F(82°C)(15min.)17001360(30min.)110001810(60min.)114002630(4hr.)125002680250°F(121°C)(15min.)12204201Representstimeintestchamberovenbeforetest.Metals,OverlapShear,Tested@73°F(23°C)(PSI)Scotch-WeldScotch-WeldEpoxyAdhesiveEpoxyAdhesiveDP460Off-WhiteDP460NSAluminumEtched45004500Oakitedegrease32002300MEK/abrade/MEK35002670ColdRolledSteelOakitedegrease3500—MEK/abrade/MEK28003600Copper-MEK/abrade/MEK40004400Brass-MEK/abrade/MEK—3400CDA2604000—Cartridge4200—StainlessSteelMEK/abrade/MEK40002400GalvanizedSteel-OakitedegreaseHotdipped20002480Electrodeposited21003000Scotch-WeldTMEpoxyAdhesivesDP460Off-White•DP460NS-4-TypicalAdhesivePerformanceCharacteristics(continued)Note:Thefollowingtechnicalinformationanddatashouldbeconsider