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AA-BOND 2156 Heat Conductive, Electrically Insulating, Thermally Conductive, 2 part

AA-BOND 2156 Heat Conductive, Electrically Insulating, Thermally Conductive, 2 part
Product Code: AA-BOND 2156
Availability: In Stock
This product has a minimum quantity of 1


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Technical Product Bulletin

HEAT CONDUCTIVE ELECTRICALLY INSULATING COMPOUND


PRODUCT DESCRIPTION:

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.

PRODUCT PROPERTIES

Appearance Tan
Cure Type Heat cure or Room Temperature
Benefits Fast cure
Strong
Durable
High-impact bonds at room temperature
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 Applications Fiber optic bundles, potting glas fibers and fiber optic connectors

UNCURED PROPERTIES

Viscosity @ 25 °C 12,000 ±1000 (After Mixing) @ Temperature 77.0 °F, 25°C
Specific Gravity, mixed 2.294
Reactive solids contents, % 100
Pot Life 5 minutes
Shelf life 1 Year

THERMAL PROPERTIES

Glass transition temperature (Tg), -40°C, 100°F
Lap shear strength, psi 3400 (Alum to Alum)
Operating Temperature -40 to 100 °C
Cure Time 5 minutes
CTE, linear 14.4 µin/in-°F
@Temperature 68.0 °F
Thermal Conductivity 0.840 W/m-K
5.83 BTU-in/hr-ft²-°F

CURE SCHEDULE

1 Hour @ 125°C
3 Hours @ 65°C
24 Hours @ 25°C

MECHANICAL PROPERTIES

Hardness, Shore D 79
Adhesive Bond Strength 3400 psi

GENERAL INFORMATION:

For safe handling information on this product, consult the Material Safety Data Sheet, (MSDS).

HOW TO USE:

1) Carefully clean and dry all surfaces to be bonded.

2) Apply the AA-BOND 2156 completely mixed adhesive to the prepared surfaces, and gently press these surfaces together. Contact pressure is adequate for strong, reliable bonds; however, maintain contact until adhesive is completely cured.

3) Some separation of components is common during shipping and storage. For this reason, it is recommended that the contents of the shipping container be thoroughly mixed prior to use.

4) Some ingredients in this formulation provided may crystallize when subjected to low temperature storage. A gentle warming cycle of 52°C for 30 minutes prior to mixing components may be necessary. Crystallized epoxy components do not react as well as liquid components and should be re-dissolved prior to use for best results.

AVAILABILITY:

This epoxy can be supplied in various different packages.

Data Sheets: TDS | MSDS available upon request.


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