3M Copper Foil Tape 1181
Copper Foil with Conductive Adhesive
Data Sheet
Description
™
April 2010
3M™ Copper Foil Tape 1181 consists of a 1-ounce rolled copper foil backing and an
electrically conductive, pressure-sensitive acrylic adhesive. This tape is supplied on a
removable liner for easy handling and die-cutting. It has excellent solder ability.
Meets flame retardant requirements of UL510, Product Category OANZ2, File E17385
RoHS 2002/95/EC
RoHS Compliant 2002/95/EC” means that the product or part (“Product”) does not contain any of the substances in excess
of the maximum concentration values in EU Directive 2002/95/EC, as amended by Commission Decision 2002/618/EC,
unless the substance is in an application that is exempt under RoHS. This information represents 3M’s knowledge and
belief, which may be based in whole or in part on information provided by third party suppliers to 3M.
Agency Approvals
& Self Certifications
Applications
3M Copper Foil Tape 1181 is typically used as an EMI/RFI shielding tape for
applications in the electronics industry such as static charge draining, seaming
shielded rooms, cable wrapping and surface contact to non-solderable materials.
Many factors determine true shielding effectiveness of a shielding tape, including
type and thickness of foil, adhesive type, intimacy of contact, smoothness of
application surface, frequency of the EMI signal, etc. Typical shielding
effectiveness for 1181 Tape is >85dB, 1MHz to 2 GHz, ASTMD-4935 test
method..
Not for specifications. Values are typical, not to be considered minimum or maximum.
Properties measured at room temperature 73°F (~23°C) unless otherwise stated.
Typical Value
US units (metric)
Copper
Acrylic Conductive
Copper
1.4 mil (0.04mm)
2.6 mils (0.066mm)
0.005
Ω/
□
Pass
25 lbs/in (44N/10mm)
5%
35 oz/in (3.8N/10mm)
-40ºC to 130ºC
>85 dB, 1MHz to 2 GHz
Shielding
Effectiveness
Typical Properties
Physical
Property (Test Method)
Color
Adhesive
Type of Backing
Backing Thickness
Total Thickness (ASTM D1000)
Electrical Resistance
1
Flame Retardancy
2
Breaking Strength (ASTM D3759)
Elongation -% at break
Adhesion Strength (ASTM D3330)
Temperature Range
Shielding Effectiveness
3
1.
2.
Mil-STD-202 Method 303 maintained at 5 psi (3.4N/cm2) measured over 1 in2 surface area. Conductive
particles in the adhesive provide the electrical path between the application substrate and the foil backing.
UL Recognized for flame retardancy per UL 510, Product Category OANZ2, File E17385
ASTMD-4935 Test Method
3.
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3M™ Copper Foil Tape 1181
Shelf Life & Storage
Availability
This product has a 5-year shelf life from date of manufacture when stored in a humidity
controlled storage (10°C/50°F to 27°C/80°F and <75% relative humidity).
Please contact your local distributor; available from 3M.com/oem [Where to Buy] or call
1-800-676-8381.
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.
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.
Warranty; Limited
Remedy; Limited
Liability
3M is a trademark of 3M Company.
Electrical Markets Division
6801 River Place Blvd.
Austin, TX 78726-9000
800 676 8381
FAX: 800 828 9329
www.3M.com/emc
Please recycle
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