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 Hysol ®
9412  
You may print this page for your file
Epoxy Adhesive
Description
Hysol 9412 is a low viscosity, two-part epoxy adhesive which provides flexible bonds. The low viscosity of the mixed adhesive allows it to be injected into preassembled parts. The flexibility of the cured adhesive makes it useful for bonding dissimilar substrates. Hysol 9412 can also be used as a laminating resin and for potting small pots.
Features
High peel strength Excellent low temperature properties
Room temperature cure Pourable –low viscosity
Typical Properties
Part A Part B Mixed
Color Off-white Red Pink
Viscosity, Poise 23,000 40 1200
Brookfield HBT Spdl 3 @ 20 rpm Spdl 1 @ 100 rpm Spdl 1 @ 20 rpm
Specific Gravity @ 77°F 1.13 1.01 1.10
Pounds per gallon 9.4 8.4 9.2
Handling
Mixing: This product requires mixing two components together just prior to the application. Complete mixing is necessary. The temperature of the separate components prior to mixing is not critical, but they should be at room temperature.
Part A Part B
By weight 100 25
By volume 3.5 1
Pot life (250-gram mass)
As determined by a Gardener Gel Timer 60 minutes
Peak Exotherm 370°F @ 70 minutes
Application
Mixing – Bulk: Combine Part A (resin) and Part B (hardener) in the correct ratio and mix thoroughly until the color and consistency are uniform. Ratios given above can be used for measuring larger amounts. Mixing the adhesive just prior to use is recommended. Heat build-up during or after mixing is normal. Do not mix quantities greater than ten pounds as dangerous heat build-up can occur causing uncontrolled decomposition of the mixed adhesive. Mixing smaller quantities will minimize the heat build-up.
Application: Bonding surfaces should be clean and dry. For optimum surface preparation, consult Dexter's bulletin "Preparing the Surface for Adhesive Bonding". Once the adhesive is applied, the bonded parts should be held in contact until the part has developed handling strength.
Cure: Hysol 9412 may be cured for 5 days at 77°F to achieve normal performance. Accelerated cures up to 180°F may be used as an alternative. For example 1 hour at 180°F will give complete cure.
Clean up: It is important to remove excess adhesive from the work area and application equipment before it hardens. Many common solvents and citrus cleaners are suitable for removing uncured adhesive. Consult with your supplier's information pertaining to the safe and proper use of solvents.
Performance
Tensile Lap Shear Strength
Tensile lap shear strength was tested on etched aluminum per ASTM D1002 after curing for 5 days at 77°F on 1"x 0.5" overlap specimen.
Substrate Test Temp. °F Typical Results, psi
Etched Aluminum 77 4000
-67 4200
140 900
160 600
Degreased Aluminum 77 4050
FRP 77 1400
(Substrate failure)
Etched aluminum after environmental exposures:
30 day salt spray 77 3950
30 day @ 120°F, @ 77 3600
100% relative humidity
Peel Strength
Floating roller peel tested per ASTM D 3167 at a crosshead speed of six inches per minute
Substrate Test Temperature, °F Peel Strength, pli
Etched Aluminum 77 59
Bulk Properties
Tensile properties tested at room temperature on 0.125 inch castings per ASTM D 638
Tensile strength, psi 6300
Tensile modulus, psi 330,000
Elongation @ break, % 8.0
Shore D hardness 76
Packaging
Quart, one and five gallon systems
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___________________________________________________________________________
DISCLAIMER: The information supplied in this document is
for guidance only and should not be construed as a warranty. All implied
warranties are expressly disclaimed. Including without limitation any
warranty of merchantability and fitness for use: All users of the materials are
responsible for assuring that it is suitable for their needs, environment and
use. All data is subject to change as Dexter deems appropriate.
Users should review the Material Safety Data
Sheet (MSDS) and product label for the material to determine possible health
hazards, appropriate engineering controls and precautions to be observed in
using the material. Copies of the MSDS and label are available upon
request.
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more information or to order contact the Glu Guru™ at 1-800-323-5158
or Email
mike@on-hand.com
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The Glu
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Adhesive Tech Center
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