3M™ EMI Tin-Plated Copper Foil Shielding Tape 1183
with Electrically Conductive Acrylic Adhesive
Data Sheet
Product Description

June 2021
3M™ EMI Tin-Plated Copper Foil Shielding Tape 1183 is a 2.66-mil (0.068 mm) thick tapecomposed of a 1.4-mil (0.036 mm) tin-plated flat copper foil backing coated on one side with a
non-corrosive, electrically conductive acrylic pressure-sensitive adhesive supplied on aremoveable liner.

Commonly used for EMI/RFI shielding applications in the electronics industry andfor static charge draining, seaming shielded rooms, cable wrapping and surface contact tonon-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 affectapplication
Flame Retardant per UL-510A Standard

Properties
Value
Imperial (Metric)
Matte Tin

Physical Properties
Color - Visual

Electrical Properties

Adhesive

Electrically Conductive AcrylicBacking

Tin Pated Copper Foil - Flat

Flame Retardant2

Adhesion to Steel1 - Minimum

Pass
Value
Imperial (Metric)
1.4 mil (0.036 mm)
2.66 +/- 0.14 mils
(0.068 +/- 0.004 mm)
25 oz/in (2.7 N/cm)

Breaking Strength1 - Minimum

18 lb/in (32 N/cm)

Mechanical Properties
Backing Thickness - Nominal
Total Thickness1

Notes:
1.
2.
3.
4.

Electrical Resistance4 - Maximum
Shielding Effectiveness3 - Average
300 kHz – 2.5 GHz

ValueImperial (Metric)
0.005 Ω/in2
68 dB

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. E17385ASTM 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/cm2) measured over a 1 in2 surface areaa. Silver coated glass beads embedded in acrylic adhesive provide the electrical path between application substrate and foil backing

ShieldingEffectivenessMany factors determine the true shielding effectiveness of a shielding tape, including type andthickness 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
 For Regulatory information including RoHS, REACH, please visit www.3M.com/regs

Shelf Life & Storage

This product has a 5-year shelf life (from date of manufacture) when stored in humiditycontrolled storage (50°F/10°C to 80°F/27°C and <75% relative humidity).

Availability

3M™ EMI Tin-Plated Copper Foil Shielding Tape 1183 available from 3M authorized distributors/ converters
Also available from 3M.com/oem or call 1.800.245.3573.

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3M™ EMI Tin-Plated Copper Foil Shielding Tape 1183
with Electrically Conductive Acrylic Adhesive
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