3M-4-6-1126
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3M™ Copper Foil Tape 1126
with Electrically Conductive Acrylic Adhesive
Data Sheet
June 2021
Product Description
3M™ Copper Foil Tape 1126 is a 2.6-mil (0.066 mm
)
thick tape composed of a 1.4-mil
(0.036 mm) flat copper foil backing coated on one side with a non-corrosive, electrically
conductive acrylic pressure-sensitive adhesive supplied on a removeable liner.
Commonly used for EMI/RFI shielding applications in the electronics industry and
for static charge draining, seaming shielded rooms, cable wrapping and surface contact to
non-solderable materials
Can be die-cut, is solderable and offers a multitude of uses in electrical design and test
laboratories for prototyping, design and troubleshooting
Adhesive requires no moisture, solvents, heat or other manner of preparation to affect
application
Flame Retardant per UL-510A Standard
Properties
Value
Imperial (Metric)
Copper
Electrically Conductive
Acrylic
Value
Physical Properties
Color – Visual
Electrical Properties
Imperial (Metric)
Electrical Resistance
4
– Maximum
Shielding Effectiveness
3
– Average
300 kHz – 2.5 GHz
0.005 Ω/in
2
Adhesive
66 dB
Backing
Flame Retardant
2
Copper Foil – Flat
Pass
Value
Imperial (Metric)
Mechanical Properties
Backing Thickness – Nominal
Total Thickness
1
1.4 mil (0.036 mm)
2.6 +/- 0.2 mils
(0.066 +/- 0.005 mm)
25 oz/in (2.7 N/cm)
22 lb/in (39 N/cm)
Adhesion to Steel
1
– Minimum
Breaking Strength
1
– Minimum
Notes:
1.
ASTM D1000 Test Method – properties measured at room temperature 73°F (23°C) unless otherwise stated
UL Recognized Flame Retardant per UL510A Standard, Category OARC2, File No. E17385
2.
3.
4.
ASTM D4935 Test Method – properties measured at room temperature 73°F (23°C) unless otherwise stated
Test Method: MIL-STD-202 Method 307 maintained at 5 psi (3.4 N/cm
2
) measured over a 1 in
2
surface area
a. Silver
coated glass beads embedded in acrylic adhesive provide the electrical path between application substrate and foil backing
Shielding
Effectiveness
Many factors determine the 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.
Agency Approvals &
Self Certifications
UL Component Recognized: UL510A Standard, Category OARC2, File No. E17385
Shelf Life & Storage
Availability
This product has a 5-year shelf life (from date of manufacture) when stored in humidity-
controlled storage (50°F/10°C to 80°F/27°C and <75% relative humidity).
3M™ Copper Foil Tape 1126 available from 3M authorized distributors / converters
Also available from
3M.com/oem
or call 1.800.245.3573.
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3M™ Copper Foil Tape 1126
with Electrically Conductive Acrylic Adhesive
TECHNICAL STATEMENT
Technical Information:
The technical information, guidance, and other statements contained in this document or
otherwise provided by 3M are based upon records, tests, or experience that 3M believes to be reliable, but the
accuracy, completeness, and representative nature of such information is not guaranteed.
Such information is
intended for people with knowledge and technical skills sufficient to assess and apply their own informed judgment to
the information.
No license under any 3M or third party intellectual property rights is granted or implied with this
information.
Product Selection and Use:
Many factors beyond 3M’s control and uniquely within user’s knowledge and control
can affect the use and performance of a 3M product in a particular application.
As a result, customer is solely
responsible for evaluating the product and determining whether it is appropriate and suitable for customer’s
application, including conducting a workplace hazard assessment and reviewing all applicable regulations and
standards (
e.g.
, OSHA, ANSI, etc.).
Failure to properly evaluate, select, and use a 3M product in accordance with all
applicable instructions and with appropriate safety equipment, or to meet all applicable safety regulations, may result
in injury, sickness, death, and/or harm to property.
Warranty, Limited Remedy, and Disclaimer:
Unless a different warranty is specifically stated on the applicable
3M product packaging or product literature (in which case such warranty governs), 3M warrants that each 3M
product meets the applicable 3M product specification at the time 3M ships the product.
3M MAKES NO OTHER
WARRANTIES OR CONDITIONS, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, ANY
IMPLIED WARRANTY OR CONDITION OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
PURPOSE, OR ARISING OUT OF A COURSE OF DEALING, CUSTOM, OR USAGE OF TRADE.
If a 3M
product does not conform to this warranty, then the sole and exclusive remedy is, at 3M’s option, replacement or
repair of the 3M product or refund of the purchase price.
Warranty claims must be made within one (1) year from the
date of 3M’s shipment.
Limitation of Liability:
Except for the limited remedy stated above, and except to the extent prohibited by
applicable law, 3M will not be liable for any loss or damage arising from or related to the 3M product, whether direct,
indirect, special, incidental, or consequential (including, but not limited to, lost profits or business opportunity),
regardless of the legal or equitable theory asserted, including, but not limited to, warranty, contract, negligence, or
strict liability.
Disclaimer
: 3M industrial and occupational products are intended, labeled, and packaged for sale to trained industrial
and occupational customers for workplace use. Unless specifically stated otherwise on the applicable product
packaging or literature, these products are not intended, labeled, or packaged for sale to or use by consumers (e.g., for
home, personal, primary or secondary school, recreational/sporting, or other uses not described in the applicable
product packaging or literature), and must be selected and used in compliance with applicable health and safety
regulations and standards (e.g., U.S. OSHA, ANSI), as well as all product literature, user instructions, warnings, and
limitations, and the user must take any action required under any recall, field action or other product use notice.
Misuse of 3M industrial and occupational products may result in injury, sickness, or death. For help with product
selection and use, consult your on-site safety professional, industrial hygienist, or other subject matter expert. For
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