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Product Descript ion SheetResearch, Development & Engineering Hysol 3450

Tallaght Business Park,Dublin, Ireland July 2003

NOT FOR PRODUCT SPECIFICATIONS.THE TECHNICAL DATA CONTAINED HEREIN ARE INTENDED AS REFERENCE ONLY.

PLEASE CONTACT LOCTITE CORPORATION QUALITY DEPARTMENT FOR ASSISTANCE AND RECOMMENDATIONS ON SPECIFICATIONS FOR THIS PRODUCT.ROCKY HILL, CT FAX: +1 (860)-571-5473 DUBLIN, IRELAND FAX: +353-(1)-451 - 9959

PRODUCT DESCRIPTIONLoctite Hysol 3450 is a two component epoxy adhesive whichcures rapidly at room temperature after mixing. It is a metalbonding adhesive which develops high strength.

TYPICAL APPLICATIONS The gap filling properties make this adhesive system suitablefor rough or poorly fitting surfaces made from metal, ceramic,wood or rigid plastics. Applications include bonding aluminiumwindow frames and GRP panels.

PROPERTIES OF UNCURED MATERIALPart A (Resin)Chemical Type EpoxyAppearance BlackSpecific Gravity @ 25C 1.9

Viscosity @ 25C mPas 40Brookfield, Spindle 6 @ 10 rpmFlash Point, ASTM D93/DIN 51758 >100CWorking Life of Mixed adhesive 25C,minutes

4-6

Part B (Hardener)Chemical Type EpoxyAppearance Creamy, White PasteSpecific Gravity @ 25C 1.8Viscosity @ 25C Pas 30Brookfield, Spindle 6 @ 10 rpmFlash Point, ASTM D93/DIN 51758 >100CWorking Life of Mixed adhesive 25C,minutes

4-6

TYPICAL CURING PERFORMANCECure Speed vs. time/temperatureWhen mixed in a 1:1 ratio by volume Hysol 3450 develops highstrength at room temperature within 1 hour. Elevatedtemperatures may be used to accelerate the cure. Thefollowing graph indicates development of shear strength onsteel lap shear as a function of time and temperature.

0.5 1 2 40

25

50

75

100

Hours

% S

h e a r s t r e n g

t h o n

S t e e

l

TYPICAL PROPERTIES OF CURED MATERIALPhysical PropertiesCoefficient of thermal conductivity, ASTM C177, W.m -1K -1 0.28

Youngs Modulus, MPa 1750Dielectric strength, ASTM D149, kV/mm 25

PERFORMANCE OF CURED MATERIAL(16 hours at 40C, tested at 23C)Shear Strength, ASTM D1002/DIN 53283 (0.2mm bond gap)

Steel Grit Blasted (GB), N/mm 25Degreased Steel, N/mm 19Aluminium GB, N/mm 15Degreased Aluminium, N/mm 6Wood, N/mm 5Polycarbonate, N/mm 2PVC, N/mm 1

TYPICAL ENVIRONMENTAL RESISTANCE Test Procedure : DIN 53283Substrate: Grit Blasted Aluminium (0.2mm bond gap)Cure procedure: 24 hours @ 23C +30 mins @ 80C

Hot Strength Tested at temperature.

0 25 50 75 1000

25

50

75

100

125

Temperatu re C

% R

T S t r e n g t h

o n

G B A l .

Heat Agein gAged at temperature indicated and tested at 22C.

0 500 1,000 1,500

120C

0

25

50

75

10 0

12 5

H o u r s %

R T S t r e n g

t h o n

G B A

l .

2,000

80C

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PDS Hysol 3450, July 2003

Loctite and Hysol are Registered Trademarks of Henkel Loctite Corporation, USA

Chemical / Solvent ResistanceSolvent Temp. % Initial Strength retained at

750 hr 1500 hr 2000 hr Lubricating Oil 23C 80 80 80Acetic Acid 10% 23C 0 0 0Ethyl Acetate 23C 80 80 80Petrol 23C 80 80 80Ind. Meth. Spirits 23C 70 70 70Paraffin 23C 100 100 100

Water 23C 70 40 5Water 60C 50 50 35Water 90C 40 30 10Humidity 92% RH 40C 65 55 20

GENERAL INFORMATIONThis product is not recommended for use in pure oxygenand/or oxygen rich systems and should not b e selected asa sealant for chlor ine or other strong oxidising materials.

For safe handling information on this product, consult theMaterial Safety Data Sheet, (MSDS).

Where aqueous washing systems are used to clean thesurfaces before bonding, it is important to check forcompatibility of the washing solution with the adhesive. In somecases these aqueous washes can affect the cure andperformance of the adhesive.

Directions for use1. For best performance surfaces for bonding should be clean,dry and free of grease. For high strength structural bonds,special surface treatments can increase the bond strength anddurability .2. To use, resin and hardener must be blended. Product can beapplied directly from dual cartridges by dispensing through themixer head supplied. Discard the first 3-5 cm of beaddispensed. Using bulk containers, mix thoroughly by weight orvolume in the proportions specified in Properties of UncuredMaterial section. For hand mixing , weigh or measure out thedesired amount of resin and hardener and mix thoroughly. Mixapproximately 15 seconds after uniform colour is obtained.3. Do not mix quantities greater than 4kg as excessive heatbuild-up can occur. Mixing smaller quantities will minimise theheat build-up.4. Apply the adhesive as quickly as possible after mixing to onesurface to be joined. For maximum bond strength applyadhesive evenly to both surfaces. Parts should be assembledimmediately after mixed adhesive has been applied.5. Working life of the mixed adhesive is 4-6 minutes at 25C.Higher temperature and larger quantities will shorten thisworking time.6. Keep the assembled parts from moving during cure. The jointshould be allowed to develop full strength before subjecting toany service loads.7. Excess uncured adhesive can be wiped away with organicsolvent (e.g. acetone).8. After use and before adhesive hardens mixing anddispensing equipment should be cleaned with hot soapy water.

StorageProduct shall be ideally stored in a cool, dry location inunopened containers at a temperature between 8C to 21C(46F to 70F) unless otherwise labelled. Optimal storage is atthe lower half of this temperature range. To preventcontamination of unused product, do not return any material toits original container. For further specific shelf life information,contact your local Technical Service Centre.

Data Ranges The data contained herein may be reported as a typical valueand/or range. Values are based on actual test data and areverified on a periodic basis.

Note The data contained herein are furnished for information onlyand are believed to be reliable. We cannot assumeresponsibility for the results obtained by others over whosemethods we have no control. It is the user's responsibility todetermine suitability for the user's purpose of any productionmethods mentioned herein and to adopt such precautions asmay be advisable for the protection of property and of personsagainst any hazards that may be involved in the handling anduse thereof. In light of the foregoing, Loctite Corporationspecifically disclaims all warranties expressed or implied,including warranties of merchantability or fitness for aparticular purpose, arising from sale or use of LoctiteCorporations products. Loctite Corporation specificallydisclaims any liability for consequential or incidentaldamages of any kind, including lost profits. The discussionherein of various processes or compositions is not to beinterpreted as representation that they are free from dominationof patents owned by others or as a license under any LoctiteCorporation patents that may cover such processes orcompositions. We recommend that each prospective user testhis proposed application before repetitive use, using this dataas a guide. This product may be covered by one or moreUnited States or foreign patents or patent applications.

Bulk Numbers: Part A - 0158338Part B - 0158813