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Chemically Resistant adhesives

Atom Adhesives AA-DUCT 2924 Epoxy Adhesive
Categories: Polymer; Adhesive; Thermoset; Epoxy; Epoxy Adhesive

Material Notes: 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.

Appearance: Silver

Cure Type: Heat cure

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

Benefits:

  • High strength
  • Perfect bond
Substrates: Excellent choice aluminum, copper, magnesium, steel, bronze, nickel, kovar, ceramic, glass, phenolic and G-10 epoxy glass boards.

Information provided by Atom Adhesives

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Physical PropertiesMetricEnglishComments
Specific Gravity 2.66 g/cc2.66 g/ccmixed, uncured
Solids Content 100 %100 %reactive, uncured
Viscosity 2500 cP2500 cPuncured
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D 8585cured
Adhesive Bond Strength 8.76 MPa1270 psi
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity <= 0.00030 ohm-cm<= 0.00030 ohm-cmcured
 
Thermal PropertiesMetricEnglishComments
CTE, linear 49.0 µm/m-°C27.2 µin/in-°F
Thermal Conductivity 1.50 W/m-K10.4 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air 190 °C374 °F
Minimum Service Temperature, Air -60.0 °C-76.0 °F
Glass Transition Temp, Tg 92.0 °C198 °F
 
Processing PropertiesMetricEnglishComments
Cure Time  60.0 min
@Temperature 125 °C
1.00 hour
@Temperature 257 °F
 120 min
@Temperature 100 °C
2.00 hour
@Temperature 212 °F
Pot Life 180 min180 minuncured
Shelf Life 12.0 Month12.0 Monthuncured

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PATOM046 / 172361

Chemically Resistant adhesives

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