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Metal adhesives

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Tra-Con Tra-Bond F123LV Color Keyed High Temperature Epoxy Adhesive
Categories: Polymer; Adhesive; Thermoset; Epoxy

Material Notes: TRA-BOND F123LV is a fast cure, low viscosity, two-component epoxy formulation that signals both proper mixing and curing when bonding fiber optic bundles, potting glass fibers, and/or terminating single or multi-channel fiber optic connectors. Although this unique three-step color-change formulation unmixed components are light yellow, it turns light green on mixing, and changes again to a deep reddish-amber after the REQUIRED 100°C HIGH TEMPERATURE CURE. It 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. TRA-BOND F123LV has good impact and thermal shock resistance, and yields excellent low stress, pot-and-polish connections which do not piston during cycle tests. 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.

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Physical PropertiesOriginal ValueComments
Specific Gravity 1.20 g/ccMixed
Solids Content 100 %Reactive Solids Content
Volatile Organic Compounds (VOC) Content 16.33 g/l
Water Absorption 0.010 %After 24 hours
Viscosity 2000 cP
@Temperature 25.0 °C
Mixed (sp #7, 10 rpm)
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore D 87
Adhesive Bond Strength 2500 psiLap shear, alum to alum
 
Electrical PropertiesOriginal ValueComments
Dielectric Strength 400 V/mil
 
Thermal PropertiesOriginal ValueComments
CTE, linear 85.4 µm/m-°CBelow Tg
 216 µm/m-°CAbove Tg
Maximum Service Temperature, Air 175 °C
Minimum Service Temperature, Air -60.0 °C
Glass Transition Temp, Tg 114 °CUltimate Tg
 
Optical PropertiesOriginal ValueComments
Refractive Index 1.56
 
Processing PropertiesOriginal ValueComments
Cure Time 1.00 min
@Temperature 150 °C
 2.00 min
@Temperature 120 °C
 5.00 min
@Temperature 100 °C
Pot Life 240 min
 
Descriptive Properties
Color Green BlueMixed
 Light YellowUnmixed
 Reddish-AmberCured
Mix Ratio, parts by weight100/10Resin/Hardener
Thixotropic Index 210 rpm/100 rpm

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Metal adhesives

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