Technical Data
February 2012
3M
™
Thermally Conductive Silicone Interface Pads
5516 and 5516S
Product Description
3M™ Thermally Conductive Silicone Interface Pads 5516 and 5516S are designed to provide a preferential heat transfer
path between heat generating components and heat sinks, heat spreaders or other cooling devices. These products consist
of a highly conformable slightly tacky silicone elastomer sheet filled with thermally conductive ceramic particles which
provide special features listed as follows.
• Good thermal conductivity and good electrical insulation properties.
• Good softness and conformability even to non-flat surfaces.
• Softness results in low stress on board components.
• “S” version incorporates a thin polymeric film carrier for improved handling and a non-tacky surface for ease
of rework.
• Slight tack allows pre-assembly. Good wettability for better thermal conductivity.
Construction
3M™ Thermally Conductive Silicone Interface Pad 5516
Removable Film liner
Thermally conductive silicone elastomer
Removable Film liner
Standard thickness (excludes liner): 0.5 mm, 1.0 mm, 1.5 mm, 2.0 mm
3M™ Thermally Conductive Silicone Interface Pad 5516S
Permanent polymeric film (0.006 mm) carrier
Thermally conductive silicone elastomer
Removable Film liner
Standard thickness (excludes liner): 0.5 mm, 1.0 mm, 1.5 mm, 2.0 mm
Note:
Thicknesses greater than 2mm are available. Please consult your local
3M representative for additional details.
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3M
™
Thermally Conductive Silicone Interface Pads 5516 and 5516S
Typical Physical Properties
Note:
The following technical information and data should be considered representative or typical only and should not be
used for specification purposes.
3M™ Thermally Conductive Silicone Interface Pads 5516 and 5516S
Method
Value
ASTM D5470
UL 94
–
Shore 00
Note 1
ASTM D257
ASTM D149
ASTM D150
3.1
V-0 (5516 0.5 mm~ & 5516S 1.01 mm~)
V-1 (5516S 0.5-1.0 mm)
2.9
5516 @ 50
5516S @ 72
6.9 x 10
14
3.2 (5516S = 5.2 est.)
11.0 (1-100 kHz)
Property
Thermal Conductivity (W/mK)
Flammability
Density (g/cm
3
, @ 25°C)
Hardness
Volume Resistivity (Ω-cm)
Dielectric Strength (kV/mm)
Dielectric Constant
Notes:
1) Shore OO Test Method based on a 6mm thick sample. Results will vary for different thickness samples.
Compression vs. Stress
100%
3M™ Thermally Conductive Silicone
Interface Pad 5516 (1 mm)
Rate: 0.5 mm/min
80%
Compression (%)
60%
40%
20%
0%
0
1
2
3
4
Stress (MPa)
Note:
Compression vs Stress test results can vary between test methods based on sample size, exact test
set-up, equipment type, etc.
Environmental Aging Data
Heat resistance of 1.0 mm 3M™ Thermally Conductive Silicone Interface Pad 5516
Duration (hrs)
Thermal Conductivity (W/mK)
Hardness (Shore 00)
Appearance
Aged at 130°C in high temperature chamber.
Note:
Thermal Conductivity for aging tested using the QTM-500 Hot Wire Test Method. Values can differ from an ASTM-D5470 TM due to TM differences.
Initial
2.8
49
–
500
2.8
50
No effect
1000
2.8
50
No effect
3000
2.8
50
No effect
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3M
™
Thermally Conductive Silicone Interface Pads 5516 and 5516S
Shelf Life
Product shelf life is 24 months from date of manufacture when stored at room temperature conditions (23-25°C & 50% RH)
and in the products original packaging.
Certification/Recognition
MSDS:
3M has not prepared a MSDS for these products which is are subject to the MSDS requirements of the
Occupational Safety and Health Administration’s Hazard Communication Standard, 29 C.F.R. 1910.1200(b)(6)(v). When
used under reasonable conditions or in accordance with the 3M directions for use, these products should not present a health
and safety hazard. However, use or processing of these products in a manner not in accordance with the directions for use
may affect their performance and present potential health and safety hazards.
TSCA:
These products are defined as an article under the Toxic Substances Control Act and therefore, are exempt from
inventory listing requirements.
RoHs Compliant/REACH Compliant:
These products comply with the European Union’s “Restriction of Hazardous
Substances” (RoHs) initiative and with European REACH regulations 2002/95/EC and 2005/618/EC.
For Additional Information
To request additional product information or to arrange for sales assistance, call toll free 1-866-599-4227. Address
correspondence to: 3M, Electronics Markets Materials Division, 3M Center, Building 225-3S-06, St. Paul, MN 55144-
1000. Our fax number is 651-778-4244 or 1-877-369-2923. In Canada, phone: 1-800-364-3577. In Puerto Rico, phone:
1-787-750-3000. In Mexico, phone: 52-70-04-00.
Important Notice
All statements, technical information, and recommendations related to 3M’s products are based on information believed
to be reliable, but the accuracy or completeness is not guaranteed. Before using this product, you must evaluate it and
determine if it is suitable for your intended application. You assume all risks and liability associated with such use.
Any statements related to the product which are not contained in 3M’s current publications, or any contrary statements
contained on your purchase order shall have no force or effect unless expressly agreed upon, in writing, by an authorized
officer of 3M.
Warranty; Limited Remedy; Limited Liability.
This product will be free from defects in material and manufacture at the time of purchase.
3M MAKES NO OTHER
WARRANTIES INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OF MERCHANTABILITY
OR FITNESS FOR A PARTICULAR PURPOSE.
If this product is defective within the warranty period stated above,
your exclusive remedy shall be, at 3M’s option, to replace or repair the 3M product or refund the purchase price of the 3M
product.
Except where prohibited by law, 3M will not be liable for any indirect, special, incidental or consequential
loss or damage arising from this 3M product, regardless of the legal theory asserted.
3
Electronics Markets Materials Division
3M Center, Building 225-3S-06
St. Paul, MN 55144-1000
1-866-599-4227 phone
651-778-4244 fax
www.3M.com/electronics
3M is a trademark of 3M Company.
Please recycle. Printed in U.S.A.
© 3M 2012. All rights reserved.
60-5002-0336-3
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