Tra-Con Tra-Bond 293-21 General Purpose Epoxy Adhesive

Category	Polymer , Adhesive , Thermoset , Epoxy
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 293-21 General Purpose Epoxy Adhesive.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

TRA-BOND 293-21 general purpose epoxy adhesive is designed to provide strong, resilient bonds to a variety of difficult-to-bond substrates, such as gold, nickel, silver, copper, and brass. The 293 series adhesives is cured at moderate temperatures, 60°C to 75°C. Information provided by Tra-Con Inc.

Physical Properties	Metric	English	Comments
Viscosity	28000 cP @Temperature 25.0 °C	28000 cP @Temperature 77.0 °F	After mixing

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	80	80
Adhesive Bond Strength	31.0 MPa	4500 psi	Lap shear, alum to alum, @ 25°C

Thermal Properties	Metric	English	Comments
CTE, linear	90.0 µm/m-°C	50.0 µin/in-°F	Below Tg
	175 µm/m-°C	97.2 µin/in-°F	Above Tg
Thermal Conductivity	0.250 W/m-K @Temperature 121 °C	1.74 BTU-in/hr-ft²-°F @Temperature 250 °F
Glass Transition Temp, Tg	36.0 °C	96.8 °F	Ultimate Tg

Electrical Properties	Metric	English
Volume Resistivity	1.00e+13 ohm-cm @Temperature 100 °C	1.00e+13 ohm-cm @Temperature 212 °F
Dielectric Constant	3.7	3.7
Dielectric Strength	35.4 kV/mm	900 kV/in
Dissipation Factor	0.0080	0.0080

Processing Properties	Metric	English
Cure Time	45.0 min @Temperature 120 °C	0.750 hour @Temperature 248 °F
	90.0 min @Temperature 100 °C	1.50 hour @Temperature 212 °F
	240 min @Temperature 75.0 °C	4.00 hour @Temperature 167 °F
Shelf Life	12.0 Month @Temperature -40.0 °C	12.0 Month @Temperature -40.0 °F

Descriptive Properties	Value	Comments
Working Life hours	3

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