Grease & Epoxy
Thermalbond™
Thermalbond™ is a thermally conductive, high strength epoxy
adhesive. It provides exceptional adhesion to copper, aluminum,
steel, glass, ceramics, and most plastics. ThermalbondTM 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.
ORDERING INFORMATION
HANDLING CHARACTERISTICS
Typical electrical and physical properties at room temperature with RT-7 hardener
Part number
4949G
Net weight
0.8 oz (25 gram kit)
1.7 oz (50 gram kit)
3.5 oz (100 gram kit)
7.0 oz (200 gram kit)
4 lbs (1814 grams)
Color
Green
4950G
Specific gravity
Working viscosity
Thermal conductivity
Thermal resistivity
Tensile strength
Compressive strength
2.35
4951G
25,000 cps
4952G
1.34W/(m °C)(0.77 Btu/hr •ft• °F)
29.4°C in/watt
4953G
6.34 x 107 Pa (9,2000 psi)
1.44 x 108 Pa (20,9000 psi)
3.17 x 107 Pa (4,6000 psi)
Bond shear strength
aluminum to aluminum, 25.4mm (1") overlap @ 25°C, (77°F)
MIXING INSTRUCTIONS
Thermal coefficient of expansion
Water absorption, % after 10 days@ 25°C (77°F)
Hardness, Shore D
24 x 10-6/°C (1.32 x 10-6/°F)
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:
0.20
86
Volume resistivity
1.0 x 1016
Dielectric strength
59.1 x 103 volts/mm (1500 volts/mil)
24 hrs at 25°C (77°F)
2 hrs. at 65°C (149°F)
1 hr. at 100°C (212°F)
30min. at 130°C (266°F)
Dielectric constant@25°C (77°F) 100KHz
Dielectric factor@25°C (77°F) 100KHz
Operating temperatures
Linear shrinkage
6.1
0.020
-65°C to 155°C (-85°F to 311°F)
0.002 in/in
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).
Shelf life
12 months*
Pot life@25°C (77°F)
2-3 hours
Suggested stripping agent
Cleaning solvent
Miller-Stephenson MS 111
Acetone
* 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.
USA Tel: +1 (603) 224-9988 email: info@aavid.com
Italy Tel: +39 051 764011 email: sales.it@aavid.com
United Kingdom Tel: +44 1793 401400 email: sales.uk@aavid.com
Singapore Tel: +65 6362 8388 email: sales@aavid.com.sg
Taiwan Tel: +886 (2) 2698-9888 email: sales@aavid.com.tw
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ASIA
EUROPE
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