Thermal Adhesives & Epoxies


Thermal adhesives and epoxies offer high heat transfer and high voltage isolation. These compounds offer low shrinkage and coefficients of thermal expansion comparable to copper or aluminum. They bond readily to metals, ceramics, most plastics and a wide variety of other materials. The bond can also eliminate the need for mounting hardware or attachments.


Ther-O-Bond 1500
Extremely versatile epoxy casting mix developed for high thermal performance and adhesion.
Ther-O-Bond 1600
Durable, thermally conductive, high-impact bonding agent designed for smaller applications.
Thermalbond
High strength epoxy that provides optimized adhesion to copper, aluminum, steel, glass, ceramics and most plastics.


Ther-O-Bond 1500


MSDS Safety Sheet for Ther-O-Bond 1500 Resin
MSDS Safety Sheet for Ther-O-Bond 1500 Hardener

Ther-O-Bond 1500 utilizes versatile two-part epoxy casting system developed for high performance, production potting and encapsulating applications where low shrinkage and rapid air evacuation are required. This formulation has a flowable viscosity and a very low surface tension which affords excellent air release. It can be readily machined and shaped with ordinary shop tools and bonds easily to rigid plastics, laminates, metals and ceramics. When fully cured this epoxy system is an excellent electrical insulator and conductor of heat while providing resistance to electrolysis, leakage, corrosion, water damage, weather, gases, chemicals and most hazards associated with harsh environments.

AVAILABLE SIZES
Ther-O-Bond 1500 is available in a .946 liter (1 QT) jar

Part Number RoHS PCN Package/Kit Size
159900F00000G Resin and Hardener .946 liter (1 Qt.)

Handling Characteristics
Mix Ratio by Weight,
Resin to Hardener:
100 to 15
Mixed Viscosity @ 25°C, cps: 1000 - 1500
Work-Life @ 25°C 45 Minutes
Gel Time @ 25°C 3-6 Hours
Cure Schedule @ 25°C 8 Hours
Cure Schedule @ 65°C 1 Hour
Cure Schedule @ 100°C 0.5 Hour

Physical Properties
Color Black
Specific Gravity 1.50
Operating Temp, °C -60 to 155
Heat Distortion Temp, °C 100
Hardness, Shore D: 88
Thermal
Conductivity W/(m°C)
1.26
Compressive Strength, psi 14,000
Dissipation Factor,
100 Kllz @25°C
0.01
Self Extinguishing?: yes
C.T.E. (ppm/°C) 25
Tensile Strength (@25°C) 9200 psi
Dielectric
Strength (volts/mil)
800
Shelf Life (DOM) 8 months(1)
(1) 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 with in 3 months of date of shipment.

Ther-O-Bond 1500 Resistance Calculator
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Ther-O-Bond 1600


MSDS Safety Sheet for Ther-O-Bond 1600 Resin in PDF format
MSDS Safety Sheet for Ther-O-Bond 1600 Hardener in PDF format
Ideal for smaller applications, Ther-O-Bond 1600 is a two part system that produces a stable, high-impact bond at room temperature with good heat transfer characteristics and electrical isolation. Once mixed, it becomes a thermally conductive thixotropic compound that can be used for potting thermistors, diodes, resistors, integrated circuits and other heat sensitive components into printed circuit boards. The compound bonds readily to itself, metals, ceramics, silica, steatite, alumina, sapphire, glass, plastics and a number of other materials due to its compatible coefficient for thermal expansion.

AVAILABLE SIZES
Ther-O-Bond 1600 is available in a 10g (0.35oz) and 40g (1.40oz) bi-pack.

Ordering Information
Description Part Number RoHS PCN Package/Kit Size
Ther-O-Bond 1600 161000F00000G 2-Part Plastic Kit 10gm (.35 oz.)
Ther-O-Bond 1600 164000F00000G 2-Part Plastic Kit 40gm (1.40 oz.)

Handling Characteristics
Mix Ratio by Weight,
Resin to Hardener:
100 to 5
Mixed Viscosity @ 25°C, cps: 33,000
Work-Life @ 25°C 45 Minutes
Gel Time @ 25°C 3-6 Hours
Cure Schedule @ 25°C 8 Hours
Cure Schedule @ 65°C 1 Hour
Cure Schedule @ 100°C 0.5 Hour


Physical Properties
Color Blue
Specific Gravity: 2.30
Operating Temp, °C -70 to 115
Hardness, Shore D: 90
Izod impact, F1 Lbs/Inch of Notch 0.49
Thermal
Conductivity W/(m-°C)
0.85
C.T.E. (ppm/°C) 25
Tensile Strength (@25°C) 9200 psi
Tensile Lap Shear, psi 2900
Dielectric
Strength (volts/mil)
410
Dielectric
Constant (1 KHz @ 25°C)
5.9
Dissipation Factor, KH@ 25°C 5.9
Shelf Life (DOM) 18 months1
(1) 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 with in 3 months of date of shipment.

Ther-O-Bond 1600 Resistance Calculator
   
Enter the area of the device
that will contact the heat sink:
 mm2

Enter the grease thickness:

mm
 
Interface Resistance =

     Formula





Thermalbond™



Thermalbond™ is a compound created using a two part epoxy resin system. It provides exceptional adhesion to copper, aluminum, steel, glass, ceramics and most plastics while possessing a coefficient of thermal expansion that is extremely compatible with aluminum, copper and brass. Once cured, Thermalbond™ is exceptionally resistant to environmental hazards.

AVAILABLE SIZES
Thermalbond™ is avaliable in single use packets of 25 g (.875 oz), 100 g (3.5 oz) and 200 g (7.0 oz) as well as a 3.25 lbs can.
Part No.RoHS PCNNet WeightMSDS Safety Sheets
4949G
25 grams (.875 oz)
in single use package
Hardener
Epoxy
4950G
Part
Discontinued
50 grams (1.75 oz)
in single use package
Hardener
Epoxy
4951G
100 grams (3.5 oz)
in single use package
Hardener
Epoxy
4952G
200 grams (7.0 oz)
in single use package
Hardener
Epoxy
4953G
3.25 lbs.Hardener
Epoxy
Note: Matched quantity of RT-7 hardener is included.


Mixing Instructions:
Mix resin thoroughly before removing material. Add 7.1 parts of RT-7 hardner 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 100C (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 necessary. 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
CharacteristicsTypical Values
Specific gravity2.35
Working viscosity25,000 cps
Thermal conductivity1.34Wm-1°C-1
(.77 Btu/hr •ft• °F)
Thermal resistivity29.4°C in/watt
Tensile strength6.34 x 107Pa(9,200 psi)
Compressive strength1.44 x 108Pa(20,900 psi)
Bond shear strength3.17 x 107Pa(4,600 psi)
aluminum to aluminum, 25.4mm (1") overlap @ 25°C, (77°F)
Thermal coefficient of expansion24 x 10-6/°C (13.2 x 10-6/°F
Water absorption, % after 10 days@ 25°C (77°F).20
Hardness, Shore D86
Volume resistivity1.0 x 1016
Dielectric strength59.1 x 103volts/mm (1500 volts/mil)
Dielectric constant@25°C (77°F) 100KHz6.1
Dielectric factor@25°C (77°F) 100KHz0.020
Operating temperatures-65°C to 155°C (-85°F to 311°F)
Linear shrinkage0.002 in/in
Shelf life (DOM)12 months1
Pot life@25°C (77°F)2-3 hours
Suggested stripping agentMiller-Stephenson MS 111
Cleaning solventAcetone

(1) 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 with in 3 months of date of shipment.


Thermalbond Resistance Calculator
Enter the area of the device
that will contact the heat sink:
 mm2

Enter the grease thickness:

mm
 
Interface Resistance =

Formula

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