SW38-2G datasheet(115/116 Pages) AAVID

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www.aavidthermalloy.com

Grease & Epoxy

Thermalbond™ is a thermally conductive, high strength epoxy

adhesive. It provides exceptional adhesion to copper, aluminum,

steel, glass, ceramics, and most plastics. Thermalbond

TM also has a

coefficient of thermal expansion compatible with aluminum, copper,

and brass, making it particularly well suited for thermally bonding

semiconductors and other components to chassis or heat sinks.

Thermalbond™

Color

Green

Specific gravity

2.35

Working viscosity

25,000 cps

Thermal conductivity

1.34W/(m °C) (0.77 Btu/hr •ft• °F)

Thermal resistivity

29.4°C in/watt

Tensile strength

6.34 x 107 Pa (9,2000 psi)

Compressive strength

1.44 x 108 Pa (20,9000 psi)

Bond shear strength

3.17 x 107 Pa (4,6000 psi)

aluminum to aluminum, 25.4mm (1") overlap @ 25°C, (77°F)

Thermal coefficient of expansion

24 x 10-6/°C (1.32 x 10-6/°F)

Water absorption, % after 10 days@ 25°C (77°F)

0.20

Hardness, Shore D

Volume resistivity

1.0 x 1016

Dielectric strength

59.1 x 103 volts/mm (1500 volts/mil)

Dielectric constant@25°C (77°F) 100KHz

6.1

Dielectric factor@25°C (77°F) 100KHz

0.020

Operating temperatures

-65°C to 155°C (-85°F to 311°F)

Linear shrinkage

0.002 in/in

Shelf life

12 months*

Pot life@25°C (77°F)

2-3 hours

Suggested stripping agent

Miller-Stephenson MS 111

Cleaning solvent

Acetone

HANDLING CHARACTERISTICS

Mix resin thoroughly before removing material.

Add 7.1 parts of RT-7 hardener to 100 parts of resin

by weight, or 17 parts of RT-7 hardener to 100 parts

of resin by volume. Adhesive will set up in:

24 hrs at 25°C (77°F)

1 hr. at 100°C (212°F)

2 hrs. at 65°C (149°F)

30min. at 130°C (266°F)

Note: For maximum electrical and physical properties, a post cure is neccessary.

Post cure at room temperature for 4 days or for 4 hours at 93°C (200°F).

Typical electrical and physical properties at room temperature with RT-7 hardener

MIXING INSTRUCTIONS

ORDERING INFORMATION

Part number

Net weight

4949G

0.8 oz (25 gram kit)

4950G

1.7 oz (50 gram kit)

4951G

3.5 oz (100 gram kit)

4952G

7.0 oz (200 gram kit)

4953G

4 lbs (1814 grams)

* Stated shelf life is from date of manufacture. To allow for inventory cycle, product shipped from Aavid will

have less than 12 months remaining shelf life. Aavid guarantees a minimum of 3 months remaining shelf life.

Please adjust order quantity so all product will be consumed within 3 months of date of shipment.

SW38-2G Datasheet(PDF) 115 Page - Aavid, Thermal Division of Boyd Corporation

SW38-2G Datasheet(HTML) 115 Page - Aavid, Thermal Division of Boyd Corporation

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