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AA-DUCT 2979 Silver Epoxy Adhesive, One Part, Electrically Conductive, Bonding

AA-DUCT 2979 Silver Epoxy Adhesive, One Part, Electrically Conductive, Bonding
Product Code: AA-DUCT 2979
Availability: In Stock
This product has a minimum quantity of 1


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Technical Product Bulletin

SINGLE COMPONENT, MICROELECTRONIC CONDUCTIVE EPOXY ADHESIVE


PRODUCT DESCRIPTION:

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.

PRODUCT PROPERTIES:

Appearance Silver
Cure Type Heat cure
Benefits High strength
Excellent mechanical, electrical properties
Substrates Excellent choice for Integrated Circuits, aluminum, copper, magnesium, steel, bronze, nickel, kovar, ceramic, glass, phenolic and G-10 epoxy glass boards.
Operating Temperature -40°C to 175 °C
NASA Outgassing Passes
Thixotropic Index 3.4
Pot Life 6 months
Typical Application Applications where high impact absorption and stress resistance is required

UNCURED PROPERTIES:

Viscosity @ 25 °C cps 65,000 @ Temperature 77.0 °F
Shelf Life 6 months
Adhesive Bond Strength 1750 psi
Density 3.5
Thermal Conductivity, W/m.K 0.90
Coefficient of Thermal Expansion 57x 10^-6 (in/in) °C
Lap Shear Strength, PSI 9200

CURE SCHEDULE:

10 minutes @ 150°C
1 hour @ 125°C

CURED PROPERTIES:

Hardness, Shore D 86
Volume Resistivity ohm-cm 3 x 10-4

ELECTRICAL PROPERTIES:

Glass Transition Temp, Tg 45.0 °C, 113 °F

GENERAL INFORMATION:

For safe handling information on this product, consult the Material Safety Data Sheet, (MSDS).

HOW TO USE:

1) Carefully clean and dry all surfaces to be bonded.

2) Apply AA-DUCT 2979 completely mixed adhesive to the prepared surfaces, and gently press these surfaces together. Contact pressure is adequate for strong, reliable bonds; however, maintain contact until adhesive is completely cured.

3) Some separation of components is common during shipping and storage. For this reason, it is recommended that the contents of the shipping container be thoroughly mixed prior to use.

4) Some ingredients in this formulation provided may crystallize when subjected to low temperature storage. A gentle warming cycle of 52°C for 30 minutes prior to mixing components may be necessary. Crystallized epoxy components do not react as well as liquid components and should be re-dissolved prior to use for best results.

AVAILABILITY:

This epoxy can be supplied in various different packages.

Data Sheets: TDS | MSDS available upon request.


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