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AA-DUCT 2924 2 Part, Electrically Conductive, Heat Resistent Silver Epoxy Adhesive

AA-DUCT 2924 2 Part, Electrically Conductive, Heat Resistent Silver Epoxy Adhesive
Product Code: AA-DUCT 2924
Availability: In Stock
This product has a minimum quantity of 1


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Technical Product Bulletin

SILVER FILLED HEAT CURE HIGHLY FLEXIBLE ELECTRICALLY CONDUCTIVE EPOXY


PRODUCT DESCRIPTION:

AA-DUCT 2924 is a two part electrically conductive composition developed for low shrinkage; low resistivity bonding applications where good electrical and physical properties over a wide temperature range (up to 190°C) are required.

AA-DUCT 2924 is smooth paste formulation of refined pure silver and epoxy is free of solvents and copper or carbon additives. It can be used -- after REQUIRED high temperature cure cycle -- for the assembly, manufacture and repair of electronic modules, printed circuits, integrated circuits, electrical contacts, capacitors, wave guides and flat cables, for high-frequency RF shielding, and for applications where a "hot" soldering iron is impractical.

When cured AA-DUCT 2924 is a hard, dimensionally stable, conductive material which is resistant to water, weathering, gases and vapors, lubricants, fuels, alcohol, and also to those salts, salt solutions, mild acids and alkalis, and other organic and inorganic compounds with which silver itself is compatible.

GENERAL PROPERTIES

Appearance Silver
Cure Type Heat cure or room temperature
Benefits High strength
Perfect bond
Mix Ratio by weight 100:5 / Resin:Hardener
Substrates Excellent choice for aluminum, copper, magnesium, steel, bronze, nickel, kovar, ceramic, glass, phenolic and G-10 epoxy glass boards
Typical Application assembly, manufacture and repair of electronic modules, printed circuits, integrated circuits, electrical contacts, capacitors, wave guides and flat cables, for high-frequency RF shielding, and for applications where a "hot" soldering iron is impractical.

UNCURED PROPERTIES

Mixed Viscosity 25,000
Specific Gravity, mixed 2.66
Reactive solids contents, % 100
Pot Life 1 year
Shelf life 1 year

CURE SCHEDULE

2 hours @ 100°C
1 hour @ 125°C
24 hour @ Room Temperature

CURED PROPERTIES

Hardness, Shore D 85
Adhesive bond strength 1270 psi
Volume Resistivity ohm-cm < 0.0003

THERMAL PROPERTIES

CTE, linear 27.2 µin/in-°F @ Temperature 68.0 °F
Thermal Conductivity 1.50 W/m-K
10.4 BTU-in/hr-ft²-°F
Glass Transition Temp, Tg 92.0 °C 198 °F
Operating Temperature -60 to 190 °C

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 2924 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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