Polycarbonate Steel TechnicalDataSheet LOCTITE 4090 August -2013 PRODUCT DESCRIPTION Cure Speed vs. Substrate The rateof cure willdepend on thesubstrateused. The graph LOCTITE 4090 provides the following product below shows the shearstrengthdeveloped with time on steel characteristics: lap shears compared to differentmaterialsand tested Technology Cyanoacrylate /Epoxy Hybrid according toISO4587 . Chemical Type (PartA) Cyanoacrylate Chemical Type (PartB) Epoxy 100 Appearance (Comp. A) Transparent colorless to straw LMS colored liquid 75 LMS Appearance (Comp. B) Off-whitetolightyellow gel Appearance (Mixture) Cleartoslightlycloudy gel Components Two component - requires mixing 50 Mix Ratio,by volume - 1 :1 PartA:PartB 25 Viscosity High Cure Room temperaturecure aftermixing Application Bonding 0 0.5 1 3 6 12 24 72 168 Cure Time, hours LOCTITE 4090 is a two component, general purpose adhesive which provides a very fast fixture at room Cure Speed vs. Bond Gap temperature. Itis designed tobond a variety of substrates The rateof cure willdepend on thebondlinegap.The following graphshows theshear strengthdeveloped withtime on grit includingmetals,most plasticsand rubbers .LOCTITE 4090 blastedmildsteellapshears atdifferentcontrolledgaps and provides good temperature and moisture resistance which also testedaccording toISO4587 . makes itsuitableforapplicationsinhightemperature/humidity environments . The thixotropicnature makes itsuitable for 100 applicationswhere good gap fillingpropertieson rough and poorly fittingsurfaces are required . 80 TYPICALPROPERTIES OF UNCURED MATERIAL 60 Part A: SpecificGravity,g/cm 1.01 40 Viscosity, Cone & Plate,mPas (cP): LMS Temperature: 25 C 4,000 to7,000 FlashPoint-See MSDS 20 Part B: SpecificGravity,g/cm 1.06 0 Viscosity, Cone & Plate,mPas (cP): 0.5 1 3 6 12 24 72 168 LMS Cure Time Temperature: 25 C 25,000 to40,000 FlashPoint-See MSDS Cure Speed vs. Temperature The rateof cure willdepend on theambient temperature.The TYPICALCURING PERFORMANCE graphbelow shows the shearstrengthdeveloped withtimeat Curing is initiatedon mixing thePartA and PartB components. differenttemperatures on gritblastedmildsteellapshears and Handlingstrengthis achieved rapidly fullstrengthis achieved testedaccording toISO4587 . over time. Fixture Time Fixture timeis defined as thetimetodevelop a shear strength of 0.1N/mm. LMS FixtureTime 25 C, seconds <180 Aluminum 0.00 mm 2.0 mm 0.5 mm 1.0 mm % of Full Strength on Steel % of Full Strength on Steel120 C 100 C 22 C 180 C TDS LOCTITE 4090 , August -2013 150 TYPICALENVIRONMENTAL RESISTANCE Cured for 1 week 22 C 125 Lap Shear Strength,ISO4587 : Steel (gritblasted) 100 75 Hot Strength Tested attemperature 50 5 C 120 25 100 0 80 0.5 1 3 6 12 24 72 168 Cure Time 60 TYPICALPROPERTIES OF CURED MATERIAL 40 Cured for 1 week 22 C Physical Properties : 20 Glass TransitionTemperature ISO11359-2,C : Tg 1 88 0 Tg 2 122 -40 -20 0 20 40 60 80 100 120 140 160 180 -1 Coefficientof Thermal Expansion, ISO11359-2 K : Temperature, C -06 Below Tg (88C) 7110 -06 Above Tg (88C) 17510 -06 Below Tg (122C) 17110 Heat Aging -06 Above Tg (122C) 15810 Aged attemperatureindicatedand tested 22 C Shore Hardness, ISO 868 ,Durometer D 65 to69 150 Tensile Strength,atbreak,ISO527-3 N/mm 7.1 (psi) (1,025) 125 Tensile Modulus ,ISO527-3 N/mm 565 (psi) (81,800) 100 Elongation,atbreak,ISO527-3,% 3.6 75 TYPICALPERFORMANCE OF CURED MATERIAL 50 Adhesive Properties 25 Cured for 168 hours 22 C Shear Strength ,Lap Shear Strength,ISO4587 : 0 Steel (gritblasted) N/mm 17 0 200 400 600 800 1000 (psi) (2,420) Exposure Time, hours Aluminum N/mm 7.6 (psi) (1,100) Aluminum (etched) N/mm 13 Chemical/Solvent Resistance (psi) (1,900) Aged under conditionsindicatedand tested 22 C. Zinc dichromate N/mm 9.1 (psi) (1,320) % of initial strength Stainlesssteel N/mm 15 Environment C 100h 500h 1000h (psi) (2,120) Water 22 90 75 70 ABS N/mm 5.2 Water 60 80 55 55 (psi) (750 ) Phenolic N/mm 3.2 Motoroil 40 120 130 130 (psi) (460 ) Unleaded gasoline 22 95 100 105 Polycarbonate N/mm 6.9 Ethanol 22 85 90 90 (psi) (1,000) Isopropanol 22 100 100 95 Nitrile N/mm 0.7 (psi) (100) Water/glycol50/50 87 50 5 5 Wood (Oak) N/mm 4.8 98% RH 40 85 70 70 (psi) (700) 95% RH 65 95 85 65 Epoxy N/mm 9.1 (psi) (1,320) Polyethylene N/mm 0.5 (psi) (72) Polypropylene N/mm 0.6 (psi) (87) Henkel Americas Henkel Europe Henkel Asia Pacific +860.571.5100 +49.89.320800.1800 +86.21.2891.8859 For the most direct access to local sales and technical support visit: www.henkel.com/industrial 150 C 40 C % of Full Strength on Steel % Initial Strength 22 C % Strength 22 C