Tra-Con Tra-Bond 789-3 Moisture Resistant Adhesive

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Tra-Con Tra-Bond 789-3 Moisture Resistant Adhesive
Categories:	Polymer; Adhesive; Thermoset
Material Notes:	TRA-BOND 789-3 one component, high strength toughened adhesive is designed for microelectronic applications, including substrate attach and package sealing, which require good moisture resistance. It exhibits strong adhesion to difficult-to-bond metals, such as gold, silver and copper. This adhesive retains its bond strength after exposure to moisture. TRA-BOND 789-3 is available in a variety of colors to fit the application. Information provided by Tra-Con Inc.
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Physical Properties	Metric	English	Comments

Viscosity	36500 cP	36500 cP	Mixed

Mechanical Properties	Metric	English	Comments
Adhesive Bond Strength	37.9 MPa	5500 psi	Lap shear, gold to gold

Electrical Properties	Metric	English	Comments
Volume Resistivity	2.00e+14 ohm-cm	2.00e+14 ohm-cm
Dielectric Constant	4.2 @Frequency 1000 Hz	4.2 @Frequency 1000 Hz
Dielectric Strength	31.5 kV/mm	800 kV/in
Dissipation Factor	0.011 @Frequency 1000 Hz	0.011 @Frequency 1000 Hz

Thermal Properties	Metric	English	Comments
CTE, linear	63.0 µm/m-°C	35.0 µin/in-°F	Below Tg
	140 µm/m-°C	77.8 µin/in-°F	Above Tg
Thermal Conductivity	0.300 W/m-K @Temperature 121 °C	2.08 BTU-in/hr-ft²-°F @Temperature 250 °F
Maximum Service Temperature, Air	150 °C	302 °F
Minimum Service Temperature, Air	-60.0 °C	-76.0 °F
Glass Transition Temp, Tg	126 °C	259 °F	Ultimate Tg

Processing Properties	Metric	English	Comments
Cure Time	30.0 min @Temperature 150 °C	0.500 hour @Temperature 302 °F
	60.0 min @Temperature 125 °C	1.00 hour @Temperature 257 °F
Working Life	130000 min	130000 min
Shelf Life	6.00 Month	6.00 Month	At 5°C
	12.0 Month @Temperature -40.0 °C	12.0 Month @Temperature -40.0 °F

Descriptive Properties
Color	Cream
Outgassing, NASA	Passes
Weight Loss %	0.28		At 250°C

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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PTRAC154 / 71082

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