Tra-Con Tra-Bond 8-2 Thermally Conductive Epoxy Adhesive

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Tra-Con Tra-Bond 8-2 Thermally Conductive Epoxy Adhesive
Categories:	Polymer; Adhesive; Thermoset; Epoxy; Epoxy, Thermally Conductive
Material Notes:	TRA-BOND 8-2 thermally conductive, resilient epoxy adhesive provides strong bonds to difficult-to-bond metals, such as gold, silver, copper, brass, and solder. Designed as an instrument adhesive, TRA-BOND 8-2 adhesive offers eight times the thermal conductivity of unfilled epoxies. Bonds made with TRA-BOND 8-2 adhesive can withstand continuous exposure at 150°C and intermittent exposure at 200°C. Information provided by Tra-Con Inc.
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Physical Properties	Original Value	Comments

Specific Gravity	2.30 g/cc	Mixed

Mechanical Properties	Original Value	Comments
Hardness, Shore D	90
Adhesive Bond Strength	2300 psi	Lap shear, alum to alum
	2600 psi	Lap shear, gold to gold

Electrical Properties	Original Value	Comments
Volume Resistivity	8.00e+14 ohm-cm
Dielectric Constant	5.9 @Frequency 1000 Hz
Dielectric Strength	500 V/mil
Dissipation Factor	0.020 @Frequency 1000 Hz

Thermal Properties	Original Value	Comments
CTE, linear	40.0 µm/m-°C	Below Tg
	85.0 µm/m-°C	Above Tg
Thermal Conductivity	1.50 W/m-K @Temperature 121 °C
Glass Transition Temp, Tg	92.0 °C	Ultimate Tg

Processing Properties	Original Value	Comments
Cure Time	1.50 hour @Temperature 95.0 °C
	4.00 hour @Temperature 75.0 °C
	24.0 hour @Temperature 60.0 °C
	45.0 min @Temperature 120 °C
Shelf Life	12.0 Month	In kits @ 25°C
	12.0 Month @Temperature -40.0 °C

Descriptive Properties
Color	Blue
Outgassing, NASA	Passes
Weight Loss %	0.1	At 250°C
Working Life hours	4

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PTRAC164 / 71092

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