Product Information

Thermal Interface - Dow Corning® TC-5080 Thermal

Wet Dispensed Grease
One-part, white, Non-curing, thermally conductive silicone

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FEATURES paste

• High thermal conductivity

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• Low oil bleed
• Stable at high temperatures TYPICAL PROPERTIES
Specification Writers: Please contact your local Dow Corning sales office or your Global
Dow Corning Connection before writing specifications on this product.

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POTENTIAL USES

• Gap fill between heat sinks and:

Property Unit Value

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• Transistors
• Diodes Viscosity cP 836000
• Rectifier bases mPa-sec 836000
Pa-sec 836

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• Other heat sources

Extrusion Rate g/min 695

APPLICATION METHODS

• Screen print
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Flow Rate - Slump in
cm
0.1
0.4
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• Stencil print
• Needle dispense Specific Gravity (Uncured) - 2.16
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Dielectric Strength (JIS K 6249) Volts/mil 225

kV/mm 9

Volume Resistivity (JIS K 6249) ohm*cm 2.89 E+15

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Thermal Conductivity (hot disk) btu/hr ft degF 0.578

W/mK 1
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Oil Bleed - 150C/24hrs % <0.01

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Volatility - Greases & Compounds % 0.14

@150C/24 hrs
Shelf Life at 25ºC months 12
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DESCRIPTION application and under the specified substitution for customer’s tests to
Dow Corning thermally conductive environmental conditions. ensure that Dow Corning’s products
compounds are greaselike silicone are safe, effective, and fully
materials, heavily filled with heat- STORAGE AND SHELF satisfactory for the intended end use.
conductive metal oxides. This Suggestions of use shall not be taken
LIFE as inducements to infringe any patent.
combination promotes high thermal Shelf life is indicated by the “Use
conductivity, low bleed and high- Dow Corning’s sole warranty is that
By” date found on the product label. the product will meet the Dow
temperature stability. The compounds For best results, Dow Corning

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resist changes in consistency at Corning sales specifications in effect
thermally conductive materials at the time of shipment. Your
temperatures up to 177°C (350°F), should be stored at or below the
maintaining a positive heat sink seal exclusive remedy for breach of such
maximum specified storage warranty is limited to refund of
to improve heat transfer from the

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temperature. Special precautions must purchase price or replacement of any
device to the heat sink or chassis, be taken to prevent moisture from
thereby increasing the overall product shown to be other than as
contacting these materials. warranted. DOW CORNING
efficiency. Long-term, reliable Containers should be kept tightly
protection of sensitive circuits and SPECIFICALLY DISCLAIMS ANY
closed and head or air space OTHER EXPRESS OR IMPLIED
components is important in many of

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minimized. Partially filled containers WARRANTY OF FITNESS FOR A
today’s delicate and demanding should be purged with dry air or other
electronic applications. With the PARTICULAR PURPOSE OR
gases, such as nitrogen. Any special MERCHANTABILITY. DOW
increase in processing power and the storage and handling instructions will

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trend toward smaller, more compact CORNING DISCLAIMS
be printed on the product containers. LIABILITY FOR ANY
electronic modules, the need for
thermal management is growing. INCIDENTAL OR
HEALTH AND CONSEQUENTIAL DAMAGES.

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Thermally conductive silicones
function as heat transfer media, ENVIRONMENTAL
durable dielectric insulation, barriers INFORMATION SAFE HANDLING
against environmental contaminants To support customers in their INFORMATION
and as stress-relieving shock and
vibration absorbers over a wide
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product safety needs, Dow Corning
has an extensive Product Stewardship
PRODUCT SAFETY
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INFORMATION REQUIRED FOR
temperature and humidity range. In organization and a team of Product SAFE USE IS NOT INCLUDED IN
addition to sustaining their physical Safety and Regulatory Compliance THIS DOCUMENT. BEFORE
and electrical properties over a broad (PS&RC) specialists available in each HANDLING, READ PRODUCT
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range of operating conditions, area. For further information, please AND MATERIAL SAFETY DATA
silicones are resistant to ozone and see our website, SHEETS AND CONTAINER
ultraviolet degradation and have good www.dowcorning.com, or consult LABELS FOR SAFE USE,
chemical stability. Good heat your local Dow Corning PHYSICAL AND HEALTH
transfer is dependent on a good representative. HAZARD INFORMATION. THE
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interface between the heat producing MATERIAL SAFETY DATA

device and the heat transfer media. SHEET IS AVAILABLE ON THE
Silicones have a low surface tension
LIMITATIONS
These products are neither tested nor DOW CORNING WEBSITE AT
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that enables them to wet most WWW.DOWCORNING.COM, OR

surfaces, which can lower the thermal represented as suitable for medical or
pharmaceutical uses. FROM YOUR DOW CORNING
contact resistance. REPRESENTATIVE, OR
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DISTRIBUTOR, OR BY CALLING
SOLVENT EXPOSURE LIMITED WARRANTY YOUR GLOBAL DOW CORNING
Although highly filled silicones such INFORMATION PLEASE CONNECTION.
READ CAREFULLY
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as those discussed in this data sheet

are generally more resistant to solvent The information contained herein is For More Information
or fuel exposure, standard silicones offered in good faith and is believed To learn more about these and other
are intended only to survive splash or to be accurate. However, because
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products available from Dow

intermittent exposures. Testing conditions and methods of use of our Corning, please visit the Dow
should be done to confirm products are beyond our control, this Corning Electronics website at
performance of the adhesives in the information should not be used in
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www.dowcorning.com/ electronics.

Dow Corning and Sylgard are registered trademarks of Dow Corning Corporation.
All other trademarks or brand names are the property of their respective owners.
©2006 Dow Corning Corporation. All rights reserved. Printed in USA Form No.
11-1576B-01