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

Category	Polymer , Adhesive , Thermoset
Manufacturer	Tra-Con, Inc.
Trade Name	Tra-Bond
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Tra-Con Tra-Bond 789-3 Moisture Resistant Adhesive.pdf
Price	EMAIL US sales@lookpolymers.com

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.

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

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

Electrical Properties	Metric	English
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

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
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	Value	Comments
Color	Cream
Outgassing, NASA	Passes
Weight Loss %	0.28	At 250°C
Working Life, months	3

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