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Hysol ® 9434
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Epoxy Adhesive 

Description
Dexter Hysol 9433 is a fast cure, medium viscosity toughened epoxy resin formulation recommended for industrial adhesive, small potting and laminating applications where excellent structural, mechanical and electrical properties are required. This two-part adhesive exhibits good wetting, cures at room temperature and develops strong, low shrinkage bonds to most materials including optical fibers, glass, ceramics, most metals and many rigid plastics. It has excellent stability over a wide temperature range. Fully cured Hysol 9433 is a durable electrical insulator with good physical properties, plus resistance to water, weather, ozone and oxygen, petroleum solvents, lubricating oils, jet fuels, gasoline, alcohol, salt solutions, mild acids and alkalis and many other organic and in organic compounds.

Recommended Substrates: Composites, metals, glass, ceramics, thermoset polyester, many plastics and wood products.

Features
Quick Set                                              Easy to Mix                                 Good Wetting            
Room Temperature Cure                   High Peel Strength                       Self-Leveling, Flowable       


Typical Properties
                                                       Part A                                    Part B                                 Mixed
Color                                              White                                     Light Yellow                     Cream  
Viscosity, poise                              1240 -2240                             650 - 1650                           -

Handling
Mixing:  This product requires mixing two components together just prior to application. Complete mixing is necessary.  The temperature of the separate components prior to mixing is not critical, but they should be close to room temperature.
                                                               Part A                                  Part B
By Weight                                              100                                       43
By Volume                                             2                                           1  
                   
Pot Life @77°F ( 20 grams):                              25 – 30 minutes

Application
Mixing - Bulk : Combine Part A and Part B  in the correct ratio and mix thoroughly. THIS IS IMPORTANT!  Mixing the adhesive just prior to use is recommended.  Heat buildup during or after mixing is normal.  Do not mix quantities greater than one pound (1lb) as dangerous heat buildup can occur.  Mixing smaller quantities will minimize the heat buildup.

Mixing – Cartridges: Place cartridges in proper dispenser. To begin using new cartridge, remove cap and dispense a small amount of adhesive, making sure both Part A and Part B are extruding. Attach nozzle and dispense approximately 1 – 2" before dispensing on to the part to be bonded. Partially used cartridges should be stored with the mixing nozzle attached. To reuse, discard the old nozzle, attach new nozzle, and begin dispensing.

Application:  Bonding surfaces should be clean and dry. For optimum surface preparation, consult Dexter Hysol'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.  It is not necessary to clamp the parts unless movement during cure is likely.

Cure:   Complete cure is obtained after 24 hours at room temperature (77°F). Hysol 9433 will achieve handling strength after ten (10) minutes at 140°F. (Note: this can vary with different bond configurations). Hysol 9433 can also be fully cured in 30 minutes at 180°F. Other times and temperatures (250°F is a suggested maximum) can be used depending on the application.

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: (Tested on etched aluminum per ASTM D 1002).

Cure                                                   Test Temp.  °F                                  Typical Results, psi

24 Hours @ 77°F                                       77                                                           3500
                                                                    180                                                         200

Floating Roller Peel Strength: (Tested on etched aluminum per ASTM D 3167).

3 days @ 77°F                                             77                                                           45 pli

Bulk Properties
Hardness (Shore D) 24 Hour Cure @ 77°F:                 75 Minimum
Dielectric Strength, Volts/Mil:                                       405
Tensile Strength, psi                                                        7,200

Availability                                                                
50 and 200 ml. EPS cartridges                                        One and Five Gallon Systems