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Chemically Resistant adhesives

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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 PropertiesOriginal ValueComments
Specific Gravity 2.66 g/ccmixed, uncured
Solids Content 100 %reactive, uncured
Viscosity 2500 cPuncured
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore D 85cured
Adhesive Bond Strength 1270 psi
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity <= 0.00030 ohm-cmcured
 
Thermal PropertiesOriginal ValueComments
CTE, linear 49.0 µm/m-°C
Thermal Conductivity 10.4 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air 190 °C
Minimum Service Temperature, Air -60.0 °C
Glass Transition Temp, Tg 92.0 °C
 
Processing PropertiesOriginal ValueComments
Cure Time 1.00 hour
@Temperature 125 °C
 2.00 hour
@Temperature 100 °C
Pot Life 180 minuncured
Shelf Life 12.0 Monthuncured

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PATOM046 / 172361

Chemically Resistant adhesives

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