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Chemically Resistant adhesives

Atom Adhesives AA-BOND 2156 Epoxy Adhesive
Categories: Polymer; Adhesive; Thermoset; Epoxy; Epoxy Adhesive; Epoxy, Thermally Conductive

Material Notes: AA-BOND 2156 is a thixotropic (smooth paste) thermally conductive epoxy system. It is used for staking heat sinks, transistors, diodes, resistor, integrated circuits and other heat-sensitive components to printed circuit boards. AA-BOND 2156 is two parts fast cure adhesive develops strong bond to many materials, and its coefficient of thermal expansion provides a good match for the application.

Appearance: Tan

Cure Type: Heat cure or Room Temperature

Benefits:

  • Fast Cure
  • Strong
  • Durable
  • High impact bonds at room temperature that improves heat
Mix Ratio by weight: 100:23/Resin:Hardener

Substrates: Bonds readily to itself and to metals, silica, steatite, alumina, sapphire and other ceramics, glass, plastics and to many other materials

Typical Application: Fiber optic bundles, potting glass fibers and fiber optic connectors

Information provided by Atom Adhesives

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Physical PropertiesMetricEnglishComments
Specific Gravity 2.294 g/cc2.294 g/ccuncured
Solids Content 100 %100 %reactive, uncured
Viscosity 11000 - 13000 cP11000 - 13000 cPUncured, after Mixing
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D 7979
Shear Strength 23.4 MPa3400 psiLap, Alum to Alum
Adhesive Bond Strength 23.4 MPa3400 psi
 
Thermal PropertiesMetricEnglishComments
CTE, linear 25.9 µm/m-°C14.4 µin/in-°F
Thermal Conductivity 0.840 W/m-K5.83 BTU-in/hr-ft²-°F
Minimum Service Temperature, Air -70.0 °C-94.0 °F
Glass Transition Temp, Tg 33.0 °C91.4 °F
 
Processing PropertiesMetricEnglishComments
Cure Time  60.0 min
@Temperature 25.0 °C
1.00 hour
@Temperature 77.0 °F
 180 min
@Temperature 65.0 °C
3.00 hour
@Temperature 149 °F
 1440 min
@Temperature 25.0 °C
24.0 hour
@Temperature 77.0 °F
Pot Life 5.00 min5.00 minuncured
Shelf Life 12.0 Month12.0 Month

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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PATOM013 / 172328

Chemically Resistant adhesives

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