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Hysol EA9359.3NA Epoxy Structural Adhesive #203-423
Hysol EA9359.3NA Epoxy Structural Adhesive

Detailed Product Description:

Henkel Aerospace Hysol 9359.3NA is a thixotropic, toughened, two-part

epoxy paste adhesive containing glass beads for bondline thickness control.


A variety of substrates (metals, composites, thermoplastics) may be bonded

effectively with this formulation.  It exhibits particularly high shear and

peel strengths on aluminum substrates.  The bonds produced are tough,

permanently flexible, and resistant to humidity, water and most common fluids.


General Use Parameters:

Mix ratio by weight:                             100 parts “A” to 44 parts “B”

Mix ratio by volume:                            2:1 (but volume ratio not recommended for structural applications)

Working life (pot life):                         35 minutes.

Fixturing Time:                                      12 hours (at 77ºF)

Cure time (full strength):                     5 days (at 77ºF)

Coefficient of thermal expansion:      102 ppm/ºC

Typical Overlap Shear Strength:       4500 psi   (after 5 day cure)


Application Notes:

Bonding surfaces must be clean, dry and properly prepared.  For optimum

surface preparation methodology, consult the “Hysol Surface Preparation

Guide” (downloadable below).  The bonded parts should be held in contact

until adhesive is set.  Handling strength for this adhesive will be achieved

in 24 hours at 77˚F.



Heat buildup during or after mixing is normal.  Do not mix quantities greater

than 450 grams to avoid dangerous heat buildup resulting in uncontrolled

decomposition.  Toxic fumes can occur resulting in personal injury.



This adhesive will require 5 to 7 days at 77˚F to achieve full cure.  See

details in Technical process bulletin for accelerated cure.


Click here to download copy of the “Hysol Surface Preparation Guide”


Click here to download copy of Technical Data Sheet



Can be an eye and skin irritant.  Download, read and understand the

Material Safety Data Sheet before using this substance.


Click here to download copy of MSDS (both Part A & Part B)



Resin comes packed as a quart kit—1-quart can of resin with ½ pint can of curing agent.


Call For Pricing: (650) 273-2113


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