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Metal adhesives

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Tra-Con Tra-Bond 5126 Medium Viscosity Aerospace-Grade Epoxy Adhesive
Categories: Polymer; Adhesive; Thermoset; Epoxy

Material Notes: TRA-BOND 5126 AEROSPACE-GRADE EPOXY ADHESIVE is a two-part, clear (amber), medium viscosity, aerospace-grade epoxy adhesive system recommended for bonding a wide variety of materials for structural and non-structural applications where good wetting, toughness and superior mechanical properties are required. This high performance adhesive is mixed and used at room temperature, contains no solvents, and may be applied by brush, trowel, roller coating or silk screening. TRA-BOND 5126 is used for bonding thermally ablative insulation materials to aerodynamic surfaces and meets the Boeing Material Specification BMS 5-126 and similar specifications of other major aerospace manufacturers for high strength, high reliability bonds to many surfaces including phenolic plastics, polyester and epoxy laminates, glass and glass fabrics, hardboard, and to most metal surfaces. Fully cured TRA-BOND 5126 is a tough, durable, dimensionally stable electrical insulator with good low temperature, mechanical, thermal shock, and impact resistance properties coupled with excellent resistance to gases and vapors, petroleum products, solvents and lubricants, water, weather, salt water and 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 1.12 g/ccMixed
Solids Content 100 %Reactive Solids Content
Viscosity 3050 cP
@Temperature 25.0 °C
After mixing
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore D 75
Tensile Strength, Yield 5200 psi
Elongation at Yield 8.0 %
Adhesive Bond Strength 1400 psiLap shear, alum to alum, 7 days in water
 1800 psiLap shear, alum to alum, 7 days in JP4 fuel
 2800 psiLap shear, alum to alum
Izod Impact, Notched 1.00 ft-lb/in
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity 6.50e+13 ohm-cm
Dielectric Constant 3.35
@Frequency 1000 Hz
Dielectric Strength 425 V/mil
Dissipation Factor 0.010
@Frequency 1000 Hz
 
Thermal PropertiesOriginal ValueComments
Maximum Service Temperature, Air 115 °C
Minimum Service Temperature, Air -60.0 °C
Glass Transition Temp, Tg 63.0 °CUltimate Tg
 
Processing PropertiesOriginal ValueComments
Cure Time 4.00 hour
@Temperature 65.0 °C
 24.0 hour
@Temperature 25.0 °C
Pot Life 40 min
 
Descriptive Properties
Color Amber
Mix Ratio, parts by weight100/100Resin/Hardener

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PTRAC119 / 71047

Metal adhesives

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