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Metal adhesives

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Tra-Con Tra-Bond 2129 Clear Low Viscosity Epoxy Adhesive
Categories: Polymer; Adhesive; Thermoset; Epoxy

Material Notes: TRA-BOND 2129 is a low viscosity epoxy adhesive recommended for industrial and electronic production, repair, small casting, coating, tooling, and rigid laminating applications where a clear system with good mechanical and electrical properties is required. This easy-to-use epoxy adhesive cures at room temperature and develops strong, low shrinkage bonds to most materials - metals, ceramics and ceramic inserts, glass and glass fabrics, wood and many rigid plastics. Fully cured TRA-BOND 2129 is an effective electrical insulator with good low temperature mechanical and impact resistance properties, and outstanding resistance to water, most petroleum products, salt solutions, mild acids and alkalis and many other organic and inorganic compounds.

Information provided by Tra-Con Inc.

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Physical PropertiesOriginal ValueComments
Specific Gravity 1.19 g/ccMixed
Solids Content 100 %Reactive Solids Content
Viscosity 1900 cP
@Temperature 25.0 °C
After mixing
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore D 88
Adhesive Bond Strength 1000 psiLap shear, alum to alum
Izod Impact, Notched 0.480 ft-lb/in
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity 5.90e+13 ohm-cm
 9.50e+9 ohm-cm
@Temperature 100 °C
Dielectric Constant 4.0
@Frequency 1000 Hz
Dielectric Strength 410 V/mil
Dissipation Factor 0.020
@Frequency 1000 Hz
 
Thermal PropertiesOriginal ValueComments
CTE, linear 58.0 µm/m-°C
@Temperature 20.0 °C
Maximum Service Temperature, Air 140 °C
Minimum Service Temperature, Air -60.0 °C
Glass Transition Temp, Tg 95.0 °CUltimate Tg
 
Optical PropertiesOriginal ValueComments
Transmission, Visible 90 %clear; thickness not quantified
 
Processing PropertiesOriginal ValueComments
Cure Time 4.00 hour
@Temperature 65.0 °C
 24.0 hour
@Temperature 25.0 °C
Pot Life 30 min
 
Descriptive Properties
Color Clear, Transparent
Mix Ratio, parts by weight100/25Resin/Hardener
Thixotropic Index 1

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PTRAC024 / 70952

Metal adhesives

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