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Metal adhesives

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Tra-Con Tra-Bond 2147 Thixotropic Epoxy/Polyamide Adhesive
Categories: Polymer; Adhesive; Thermoset; Epoxy

Material Notes: TRA-BOND 2147 is a thixotropic (thick paste) polymer epoxy/polyamide system developed for industrial adhesive and sealing applications where the combination of high fill, easy handling, good wetting, toughness, and superior mechanical properties are required. This easy-to-use, amber-colored epoxy adhesive system has a moderate pot life and a low exotherm. It cures at room temperature, and develops strong bonds to most material surfaces, including many metals, rigid plastics, glass, ceramics, leather, rubber, wood and concrete. Fully cured TRA-BOND 2147 is a tough, resilient adhesive with good low temperature electrical, mechanical and impact resistant properties, superior thermal shock resistance, low permeability to gases and vapors, good dimensional stability and outstanding resistance to water, weather, oxygen and ozone, most petroleum products, mild acids and alkalis, and many other chemicals.

Information provided by Tra-Con Inc.

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Physical PropertiesOriginal ValueComments
Specific Gravity 1.13 g/ccMixed
Solids Content 100 %Reactive Solids Content
Viscosity 60000 cP
@Temperature 25.0 °C
After mixing
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore D 75
Elongation at Yield 10 %
Adhesive Bond Strength 2500 psiLap shear, alum to alum
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity 1.20e+14 ohm-cm
Dielectric Constant 3.35
@Frequency 1000 Hz
Dielectric Strength 460 V/mil
Dissipation Factor 0.010
@Frequency 1000 Hz
 
Thermal PropertiesOriginal ValueComments
CTE, linear 64.0 µm/m-°C
@Temperature 20.0 °C
Maximum Service Temperature, Air 110 °C
Minimum Service Temperature, Air -60.0 °C
 
Processing PropertiesOriginal ValueComments
Cure Time 4.00 hour
@Temperature 65.0 °C
 24.0 hour
@Temperature 25.0 °C
Pot Life 75 min
 
Descriptive Properties
Color Amber
Mix Ratio, parts by weight105/105Resin/Hardener

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Metal adhesives

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