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Chemically Resistant adhesives

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Atom Adhesives AA-DUCT 2979 Epoxy Adhesive
Categories: Polymer; Adhesive; Thermoset; Epoxy; Epoxy Adhesive

Material Notes: AA-DUCT 2979 is a fast curing one part epoxy adhesive with superior electrical conductivity and bonding capability. AA-DUCT 2979 has been shown to retain their properties through hundreds of hours of rapid temperature cycling and has also high impact absorption and stress resistance. These qualities make it an excellent choice for a number of electronic applications especially in "under the hood" and other harsh operating environments. AA-DUCT 2979 has a shelf life of at least 6 months when stored at -40°C. It contains no volatile, harmful solvents or lead, and conforms to all of the requirements of the solder replacement market.

Appearance: Silver

Cure Type: Heat cure

Mix Ratio by weight: 100:5/Resin:Hardener

Benefits:

  • High strength
  • Excellent mechanical, electrical properties
Substrates: Excellent choice for Integrated Circuits, aluminum, copper, magnesium, steel, bronze, nickel, ceramic, glass, phenolic and G-10 epoxy glass boards.

Typical Application: Applications where high impact absorption and stress resistance is required

Information provided by Atom Adhesives

Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesOriginal ValueComments
Specific Gravity 3.50 g/ccuncured
Viscosity 65000 cPuncured
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore D 86cured
Shear Strength 9200 psiuncured
Adhesive Bond Strength 1750 psiuncured
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity 0.00030 ohm-cmcured
 
Thermal PropertiesOriginal ValueComments
CTE, linear 57.0 µm/m-°Cuncured
Thermal Conductivity 6.25 BTU-in/hr-ft²-°Funcured
Maximum Service Temperature, Air 175 °C
Minimum Service Temperature, Air -40.0 °C
Glass Transition Temp, Tg 45.0 °C
 
Processing PropertiesOriginal ValueComments
Cure Time 1.00 hour
@Temperature 125 °C
 10.0 min
@Temperature 150 °C
Pot Life 259200 min
Shelf Life 6.00 Monthuncured
 
Descriptive Properties
Thixotropic Index3.4

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PATOM047 / 172362

Chemically Resistant adhesives

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