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Tra-Con Tra-Bond F253M Color Keyed High Temperature Epoxy Adhesive

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 F253M Color Keyed High Temperature Epoxy Adhesive.pdf
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Material Notes:
TRA-BOND F253M is a low viscosity, high temperature, two-part epoxy formulation that changes color during the curing process to indicate cure status. The unmixed components are light yellow; the mixture is green/blue; and the fully cured adhesive is reddish-amber. It is specially designed to meet strict low moisture absorption requirements and exhibits minimal fiber creep. It exhibits excellent wicking, and develops strong, tough mechanically stable bonds to a wide variety of fiber optic and optical materials that includes most metals, ceramics, glass and many plastics. In addition, TRA-BOND F253M has good impact and thermal shock resistance, demonstrates low stress, and yields excellent pot and polish connections. It is also resistant to water and weathering, vapors and gases, most petroleum products, and an extended range of organic and inorganic environments. Information provided by Tra-Con Inc.
Physical Properties Metric English Comments
Specific Gravity 1.20 g/cc
1.20 g/cc
Cured
Viscosity 2100 cP

@Temperature 25.0 °C
2100 cP

@Temperature 77.0 °F
After mixing
Mechanical Properties Metric English Comments
Hardness, Shore D 89
89
Adhesive Bond Strength 13.8 MPa
2000 psi
Lap shear, alum to alum, 1 hr @ 120°C
Thermal Properties Metric English Comments
CTE, linear 70.0 µm/m-°C

@Temperature 20.0 °C
38.9 µin/in-°F

@Temperature 68.0 °F
TMA
Glass Transition Temp, Tg 115 °C
239 °F
Ultimate Tg, 10°C/min; DSC
Processing Properties Metric English Comments
Cure Time 1.00 min

@Temperature 150 °C
0.0167 hour

@Temperature 302 °F
5.00 min

@Temperature 125 °C
0.0833 hour

@Temperature 257 °F
15.0 min

@Temperature 100 °C
0.250 hour

@Temperature 212 °F
Pot Life 120 min
120 min
2X initial viscosity
Descriptive Properties Value Comments
Color Green Blue
Mixed
Light Yellow
Unmixed
Reddish-Amber
Cured
Mix Ratio, parts by weight 100/8
Resin/Hardener
Thixotropic Index 1
Working Life hours 2
25 grams
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