Tra-Con Tra-Duct 2979 Microelectronic Conductive Epoxy Adhesive

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Tra-Con Tra-Duct 2979 Microelectronic Conductive Epoxy Adhesive
Categories:	Polymer; Adhesive; Thermoset; Epoxy; Epoxy, Electrically Conductive
Material Notes:	TRA-DUCT 2979 is a fast curing one-part epoxy adhesive with superior electrical conductivity and bonding capability. It has been shown to retain these properties through hundreds of hours of rapid temperature cycling (-40 to 150°C). It also has superior 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. TRA-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. Information provided by Tra-Con Inc.
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Physical Properties	Original Value	Comments

Viscosity	65000 cP @Temperature 25.0 °C	Mixed (cp #52, 10 rpm)

Mechanical Properties	Original Value	Comments
Hardness, Shore D	86
Adhesive Bond Strength	1750 psi	Lap shear, alum to alum

Electrical Properties	Original Value	Comments
Volume Resistivity	0.00030 ohm-cm

Thermal Properties	Original Value	Comments
Glass Transition Temp, Tg	45.0 °C	Ultimate Tg

Processing Properties	Original Value	Comments
Cure Time	1.00 hour @Temperature 125 °C
	10.0 min @Temperature 150 °C

Descriptive Properties
Color	Silver
Outgassing, NASA	Passes
Thixotropic Index	3.4	5 rpm/50 rpm
Working Life days	6

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PTRAC095 / 71023

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