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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
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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 Comments
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 Comments
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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