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Hysol ®9432NA 
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Epoxy Adhesive 

Description
Hysol® 9432NA is an aluminum filled heat curing one-part modified epoxy adhesive.  This adhesive is formulated to provide excellent tensile shear strength and a high degree of impact resistance.  Hysol 9432NA bonds well to oily and other poorly prepared surfaces and can be used successfully to bond a wide variety of substrates.  This adhesive is designed to cure at moderate temperatures and has a long shelf life at room temperature.  Hysol 9432NA lends itself well to pumping due to low viscosity but it is thixotropic enough to be applied to vertical surfaces without slumping.

Features
Excellent Tensile Shear Strength                       Thixotropic, Slump Resistant, Non-Sag
Smooth Pumpable Flow                                   One Component Adhesive, No Mixing
Room Temperature Storage                              Tolerant of Poorly Prepared Substrates
Impact and Fatigue Resistant

Properties
Color                                                                         Gray
Viscosity, Poise                                                         1500 - 3000
Specific Gravity                                                          1.38
Pounds per Gallon                                                  11.5
Slump @300°F (3/8" diameter bead)                    0 to 0.03"
Gun Flow @77°F  (0.105" orifice), 42.5 psi          20 grams in 100-170 seconds
Operating Temperature Range                              -67 to 300°F

Application
Application:  Allow the material to come to room temperature before use.  Bonding surface should be clean, dry and properly prepared.  For optimum surface preparation consult Dexter's Bulletin Preparing the Surface for Adhesive Bonding.  Apply the adhesive to both substrates to be bonded.  The bonded parts must be held in contact until the adhesive is cured.

Cure:  Hysol 9432NA can be cured for 60 minutes at 250°F.  Faster cures can be achieved by using higher temperatures, for example 30 minutes @ 300°F.  Cure temperatures above 350°F are not recommended.  Cure time on your part will depend upon factors such as part geometry, materials to be bonded, bondline thickness and efficiency of the oven.  Cure schedule should be confirmed with actual production parts and equipment.  A clamping pressure of 15 psi is recommended to ensure that good contact is maintained during cure cycle.

Clean Up:  It is important to clean up excess adhesive from work area.  Denatured alcohol and many common industrial solvents are suitable for removing uncured adhesive. Consult suppliers for information pertaining to the safe and proper use of solvents.

Performance
Tensile Lap Shear Strength:  Tensile lap shear strength tested per ASTM D1002 after curing for 30 minutes at 300°F on 1" wide by 0.5" overlap specimens.
                                                    Bondline                                     Test                                     Tensile Lap Shear
Substrate                                 Thickness, mils                       Temperature, °F                         Strength, psi

Etched Aluminum                         5                                                -67                                             3500
                                                        5                                                  77                                             3800
                                                        5                                                  250                                           3000
                                                        5                                                  300                                           2400
                                                        5                                                  350                                          400
                                                        5                                                  400                                          400
Degreased Aluminum                   5                                                   77                                            3500
16 Gauge Cold Rolled Steel
Degreased, Abraded                       5                                                  77                                             3000
Degreased                                        5                                                  77                                             2850
Oily                                                  5                                                  77                                             2600
Low Profile Automotive
Grade SMC
Owens Corning Fiberglass            30                                                77                                             400 Fiber Tear                 The Budd Company                      30                                                77                                             380 Fiber Tear
Fiberglass Vinyl Ester Laminate    30                                                77                                            1000 Substrate Failure


Peel Strength - Floating roller peel tested per ASTM D3167 at a crosshead speed of 6" per minute, after curing for 30 minutes @ 300°F.

Substrate                      Bondline Thickness, mils                     Test Temp, °F                            Peel Strength, pli

Etched Aluminum                      10                                                      77                                                  7.5

Bulk Properties
Tensile properties tested at room temperature on 0.125 inch castings per ASTM D 638.

Tensile Strength, psi                                            7350
Tensile Modulus, psi                                           680,000
Elongation of Break, %                                       1.2
Shore D Hardness                                                90

Environmental Resistance
Reported as tensile lap shear strength tested at 77°F per ASTM D1002 after a 30 day soak in the specified fluid.  Tensile lap shear on 16 gauge sandblasted cold rolled steel with 5 mil bondline cured for 30 minutes at 300°F having 1" wide by 0.5" overlap.

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