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Technical Data Sheet

Rocky Hill, CT 06067-3910Telephone: (860) 571-5100

1001 Trout Brook Crossing

FAX: (860) 571-5465

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

Hysol Product E-120HP formerly Durabond E-120HP

Industrial Version, August 2001

PRODUCT DESCRIPTION

LOCTITE Hysol Product E-120HP is a high-viscosity, non-sagging industrial grade epoxy adhesive with extended worklife. Once mixed, the two-component epoxy cures at roomtemperature to form a tough, amber-beige bondline withexcellent resistance to peel & impact forces. When fully cured,the epoxy offers superior thermal shock resistance, excellentmechanical and electrical resistant properties, and withstandsexposure to a wide variety of solvents and chemicals.

TYPICAL APPLICATIONSOriginally designed for bonding nose cones in aerospaceapplications. Also suitable for low stress, general industrialapplications which require high impact and high peel strength.Bonds dissimilar materials including aluminum, steel, and othermetals, as well as a variety of plastics & ceramics.

PROPERTIES OF UNCURED MATERIALResin Typical

Value RangeChemical Type Epoxy

Appearance Pale yellow liquidSpecific Gravity @ 25C 1.10 1.0 to 1.2

Viscosity @ 25C, mPa.s (cP) 41,500 31,000 to 51,000

Flash Point (TCC), C (F) >93 (>200)

Hardener TypicalValue Range

Chemical Type Polyamide

Appearance Light colored liquidSpecific Gravity @ 25C 1.00 0.9 to 1.1

Viscosity @ 25C, mPa.s (cP) 2,800 2,000 to 4,000

Flash Point (TCC), C (F) 160 (320)

Mixture Typical ValueAppearance Amber-Beige

Specific Gravity @ 25C 1.07Mix Ratio (R:H) by Weight 100 to 46 by Volume 2 to 1

TYPICAL CURING PERFORMANCECure speedThe graph below shows the shear strength developed over timeon abraded, acid etched aluminum lap shears with an averagebondline gap of 3 to 9 mils and tested according to ASTM D-1002.

Cure Time, Hours @25C

5min 10min 30min 1hr 3hr 6hr 24hr 72hr 0

25

50

75

100

%

ofFullStrengthonAluminum

1week 1month

Curing Properties

(@ 25C unless noted) Typical Value

Working Life, minutes 120Tack Free time (low humidity), minutes 140

TYPICAL PROPERTIES OF CURED MATERIAL(@ 25C unless noted)

Physical Properties Typical ValueDielectric Strength, Volts/Mil 650

Tensile Strength ASTM D638, psi 5,910Tensile Elongation ASTM D-638, % 10Hardness ASTM D-1706, Shore D 85

Glass Transition Temperature, Tg, C 90

PERFORMANCE OF CURED MATERIALShear Strength vs Substrate(Substrates cured for 12 hours @ 65C with no induced gap.)

Substrate Typical ValueLapshear N/mm

2(psi)

Grit-Blasted Steel 29.4 4270Aluminum (Abraded/Acid Etched 3 to 9 mil gap) 33.1 4800Aluminum (Anodized) 14.6 2120

Stainless Steel 23.1 3350Polycarbonate 7.0 1010Nylon 2.3 330

Wood (Fir) 11.3 1640

Block Shear N/mm2

(psi)

PVC 11.7 1700ABS 7.5 1090Epoxy 20.1 2920

Acrylic 1.5 220Glass 22.7 3290

TYPICAL ENVIRONMENTAL RESISTANCEHot StrengthTest procedure : ASTM D-1002Substrate: Abraded, acid etched aluminumBondline gap, mils: 3 to 9

Cure procedure: 12 hours at 65C & 4 hours at 22C

Tested at temperature.

0

25

50

75

100

%R

TStrength

Temperature, C

15010050

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TDS Hysol E-120HP, August 2001

Loctite and Hysol Trademarks of Loctite Corporation U.S.A.

Heat AgingCured for 5 days at 22Con steelwith no induced gap, aged attemperature indicated and tested at 22C.

Hours

250 50 00

25

50

75

10 0

%I

nitialStrengthatRT

750 1,000

15 0

12 5

66C93C

120C

177C

150 C

Chemical / Solvent ResistanceCured for 5 days at 22C on steel with no induced gap, agedunder conditions indicated and tested at 22C.

Solvent Temp. % Initial Strength retained at500 hr 1000 hr

Air 87C - 98

Motor Oil (10W-30) 87C 126 119

Unleaded Gasoline 87C - 105

Water/Glycol (50%/50%) 87C 91 89

Salt/Fog ASTM B-117 22C - 44

95% Relative Humidity 38C - 78

Condensing Humidity 49C - 60

Water 22C - 72

Acetone 22C - 99

Isopropyl Alcohol 22C - 108

GENERAL INFORMATIONThis product is not recommended for use in pure oxygenand/or oxygen rich systems and should not be selected asa sealant for chlorine or other strong oxidizing materials.

For safe handling information on this product, consult the

Material Safety Data Sheet, (MSDS).

Directions for use1. For high strength structural bonds, removal of surface

contaminates such as paint, oxide films, oils, dust, moldrelease agents and all other surface contaminates.

2. Use gloves to minimize skin contact. DO NOT use solventsfor cleaning hands.

3. Dual Cartridges: To use simply insert the cartridge into theapplication gun and start the plunger into the cylinders usinglight pressure on the trigger. Next, remove the cartridge capand expel a small amount of adhesive to be sure both sidesare flowing evenly and freely. If automatic mixing of resinand hardener is desired, attach the mixing nozzle to the endof the cartridge and begin dispensing the adhesive. Forhand mixing, expel the desired amount of the adhesive andmix thoroughly. Mix approximately 15 seconds after uniformcolor is obtained. Bulk Containers: Mix thoroughly byweight or volume in the proportions specified in Properties ofUncured Material section. Mix vigorously approximately 15seconds after uniform color is obtained.

4. For maximum bond strength apply adhesive evenly to bothsurfaces to be joined.

5. Application to the substrates should be made within 2 hours.Larger quantities and/or higher temperatures will reduce thisworking time.

6. Join the adhesive coated surfaces and allow to cure at 25C

(77F) for 24 hours for high strength. Heat up to 93C

(200F), will speed curing.7. Keep parts from moving during cure. Contact pressure is

necessary. Maximum shear strength is obtained with a 3-9

mil bond line.8. Excess uncured adhesive can be cleaned up with ketone

type solvents.

StorageProduct shall be ideally stored in a cool, dry location inunopened containers at a temperature between 8C to 28C

(46F to 82F) unless otherwise labeled. 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 Center.

Data RangesThe data contained herein may be reported as a typical value

and/or range. Values are based on actual test data and areverified on a periodic basis.

NoteThe 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 a

particular 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.