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Metal adhesives

Tra-Con Tra-Bond 826H02 Thermally Conductive Electrically Insulating Compound
Categories: Polymer; Adhesive; Thermoset; Epoxy; Filled/Reinforced Thermoset

Material Notes: TRA-BOND 826H02 is a thermally conductive epoxy system that features a small particle size, spherical filler. This filler makes TRA-BOND 826H02 well suited to applications where extrusion through small-gauge needles is desired. TRA-BOND 826H02 is ideal for die and heat sink attach, staking transistors, diodes, resistors, integrated circuits and other heat-sensitive components to printed circuit boards. This two-part adhesive develops strong, durable, high-impact bonds at room temperature which improves heat transfer while maintaining electrical insulation. TRA-BOND 826H02 bonds readily to itself, and to metals, silica, steatite, alumina, sapphire and other ceramics, glass, plastics and many other materials, because its coefficient of thermal expansion provides a good match for those materials over a fairly wide temperature range. When fully cured, TRA-BOND 826H02 provides excellent resistance to salt solutions, mild acids and alkalis, and many other chemicals including petroleum solvents, lubricating oils and alcohol.

Information provided by Tra-Con Inc.

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Physical PropertiesMetricEnglishComments
Specific Gravity 2.07 g/cc2.07 g/ccCured
Viscosity 15300 cP15300 cPMixed (cp #52, 10 rpm)
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D 858524 hrs @ 25°C
Tensile Strength, Yield 38.56 MPa5593 psi
Adhesive Bond Strength 19.3 MPa2800 psiLap shear, alum to alum, 24 hrs @ 25°C
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 2.10e+15 ohm-cm2.10e+15 ohm-cm
 3.20e+13 ohm-cm
@Temperature 75.0 °C
3.20e+13 ohm-cm
@Temperature 167 °F
 
Thermal PropertiesMetricEnglishComments
CTE, linear 37.0 µm/m-°C
@Temperature 20.0 °C
20.6 µin/in-°F
@Temperature 68.0 °F
Alpha 1
Thermal Conductivity 0.900 W/m-K6.25 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air 115 °C239 °F
Minimum Service Temperature, Air -70.0 °C-94.0 °F
Glass Transition Temp, Tg 62.6 °C145 °FUltimate Tg; TMA
 
Processing PropertiesMetricEnglishComments
Cure Time  120 - 240 min
@Temperature 65.0 °C
2.00 - 4.00 hour
@Temperature 149 °F
 1440 min
@Temperature 25.0 °C
24.0 hour
@Temperature 77.0 °F
Pot Life 35 min35 min100 grams
 45 min45 min25 grams
 
Descriptive Properties
Color BlueCured
Mix Ratio, parts by weight100/95Resin/Hardener
Thixotropic Index 1.75 rpm/50 rpm

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PTRAC169 / 71097

Metal adhesives

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