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Tra-Con Tra-Bond 832-5 Flexible Epoxy

Category Polymer , Adhesive , Thermoset , Epoxy
Manufacturer Tra-Con, Inc.
Trade Name Tra-Bond
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Tra-Con Tra-Bond 832-5 Flexible Epoxy.pdf
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Material Notes:
TRA-BOND 832-5 is a flexible two component epoxy which is intended for bonding materials with mis-matched coefficients of expansion. It exhibits flexibility associated with polyurethanes but does not have the moisture sensitivity which usually creates bubbles during the application and cure of urethanes. TRA-BOND 832-5 has been found to be useful in such applications as bonding optical lenses in aluminum housings. As an example two three-inch long glass microscope slides were bonded to opposite sides of a 0.064 inch thick piece of aluminum and the sandwich was cycled from -75°C to 125°C ten times with no spalling of the glass or bond failure.Information provided by Tra-Con Inc.
Physical Properties Metric English Comments
Viscosity 650 cP

@Temperature 25.0 °C
650 cP

@Temperature 77.0 °F
After mixing
Mechanical Properties Metric English Comments
Hardness, Shore A 75
75
Adhesive Bond Strength 6.89 MPa
1000 psi
Lap shear, alum to alum
Thermal Properties Metric English Comments
CTE, linear 58.0 µm/m-°C

@Temperature -118 - -54.0 °C
32.2 µin/in-°F

@Temperature -180 - -65.2 °F
81.0 µm/m-°C

@Temperature -54.0 - -32.0 °C
45.0 µin/in-°F

@Temperature -65.2 - -25.6 °F
173 µm/m-°C

@Temperature -32.0 - 25.0 °C
96.1 µin/in-°F

@Temperature -25.6 - 77.0 °F
224 µm/m-°C

@Temperature 25.0 - 66.0 °C
124 µin/in-°F

@Temperature 77.0 - 151 °F
Glass Transition Temp, Tg -32.0 °C
-25.6 °F
Ultimate Tg
Processing Properties Metric English Comments
Moisture Content 3.0 %
3.0 %
100% RH & 85°C
Cure Time 180 min

@Temperature 100 °C
3.00 hour

@Temperature 212 °F
480 min

@Temperature 75.0 °C
8.00 hour

@Temperature 167 °F
Descriptive Properties Value Comments
Color Blue
Mixed
Mix Ratio, parts by weight 100/143
Resin/Hardener
Thixotropic Index 1
Working Life hours 8
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