3M 1182 Double-Sided Conductive Copper Foil EMI Shielding Tape

Benefits

• Bonds two surfaces physically and electrically.

• Helps establish low-resistance electrical connections between conductive substrates.

• Supports EMI shielding and grounding designs.

• Offers a convenient pressure-sensitive solution for electronic assembly and prototyping.

• Can be converted into custom widths, strips, and die-cut components.

• Provides an alternative to mechanical fastening in selected electrical bonding applications.

Technical Specifications

Property	Specification
Product type	Double-sided conductive copper foil shielding tape
Backing material	Dead-soft flat copper foil
Adhesive type	Electrically conductive acrylic PSA on both sides
Copper foil thickness	0.036 mm (1.4 mil), nominal
Total tape thickness, excluding liner	0.089 ± 0.013 mm
Minimum adhesion to steel	2.7 N/cm
Minimum breaking strength	39 N/cm
Maximum electrical resistance	0.010 Ω/in² under specified test conditions
Average shielding effectiveness	54 dB over 300 kHz–2.5 GHz, under the specified test method
Elongation at break	5% listed on the 3M product page
Flame retardancy	UL Recognized under UL 510A, Category OARC2, File E17385
Electrical rating	600 V for dry applications, as stated by 3M
Standard roll length	16.5 m (18 yd)
Shelf life	5 years from manufacture when stored under specified conditions

Technical note: Values are based on the 3M June 2021 technical data sheet and official product information. Electrical resistance and shielding effectiveness depend on the specified test method and application conditions. Confirm the latest regional TDS before publishing or using these values for engineering approval.

Applications

• EMI/RFI shielding in electronic equipment

• Electrical grounding and bonding of conductive surfaces

• Electrical continuity between metal components

• Shielding of electronic enclosures and assemblies

• Static charge draining when properly grounded

• Electronic prototyping, design, and troubleshooting

• Shielding seams and conductive joints

• Custom die-cut conductive components for electronics

Compatible Materials

Potential substrates and components include:

• Metal enclosures and panels

• Conductive metal surfaces

• Electronic shielding components

• Grounding and bonding surfaces

• Other substrates where conductive adhesive bonding is appropriate

Actual compatibility depends on the surface coating, cleanliness, roughness, contact pressure, and electrical requirements. Verify bonding and conductivity on the intended materials before production.

Industries

• Electronics and electrical manufacturing

• Telecommunications

• Consumer electronics

• Industrial control equipment

• Electronic enclosure manufacturing

• Electrical testing and prototyping

• EMI/RFI shielding and grounding applications

Why Choose 3M 1182 Copper Foil Tape?

3M 1182 combines a copper foil backing with electrically conductive adhesive on both sides. Unlike single-sided conductive copper foil tapes, its double-sided construction is designed to connect two surfaces physically and electrically, making it suitable for selected grounding, bonding, and shielding applications.

Its removable liner supports precision converting and die-cutting. Yousan can assist with tape sourcing, custom slitting, and precision die-cut components according to your required dimensions and application conditions.

Installation Guide

1. Prepare the surfaces: Remove dust, oil, moisture, and other contaminants from the bonding areas.

2. Check the application: Confirm that both surfaces are suitable for conductive adhesive bonding.

3. Cut to size: Use the required roll width or a precision die-cut shape.

4. Remove the liner: Expose the adhesive immediately before application.

5. Apply evenly: Position the tape and press firmly to establish intimate contact with both surfaces.

6. Inspect the bond: Check for wrinkles, gaps, trapped air, or loose edges.

7. Verify performance: Measure electrical continuity, contact resistance, and shielding performance where required.

Follow the current 3M product documentation and the requirements of the finished assembly.

Storage

Store the tape in its original packaging in a humidity-controlled environment at approximately 10–27°C, with relative humidity below 75%. Protect it from direct sunlight, moisture, excessive heat, dust, and chemical contamination.

The 3M June 2021 data sheet specifies a five-year shelf life from the date of manufacture when stored under the stated conditions. Confirm the current TDS and lot documentation for the supplied product.

FAQ

1. What is 3M 1182 copper foil tape used for?

It is used for EMI/RFI shielding, electrical grounding, conductive bonding, static charge draining, and electronic prototyping.

2. Is 3M 1182 a double-sided tape?

Yes. It has electrically conductive acrylic pressure-sensitive adhesive on both sides of the copper foil backing.

3. Is the adhesive electrically conductive?

Yes. The conductive adhesive is designed to provide electrical contact between the bonded substrates and the copper foil backing.

4. What is the difference between 3M 1181 and 3M 1182?

3M 1181 has conductive adhesive on one side of its copper foil backing, while 3M 1182 has conductive adhesive on both sides. Choose according to whether one or both sides need to form an adhesive electrical connection.

5. Can 3M 1182 be die-cut?

Yes. Its release liner supports handling and conversion into custom shapes and components.

6. What is the thickness of 3M 1182?

The June 2021 TDS specifies a nominal copper foil thickness of 0.036 mm and a total tape thickness of 0.089 ± 0.013 mm, excluding the liner.

7. What shielding effectiveness does 3M 1182 provide?

The June 2021 TDS reports an average of 54 dB over 300 kHz–2.5 GHz under its specified test method. Actual performance depends on installation, contact quality, substrate, and frequency.

8. Is 3M 1182 suitable for outdoor applications?

Outdoor suitability depends on moisture, corrosion, temperature, and the complete assembly design. Test the tape under actual service conditions before specifying it for outdoor use.

9. Can 3M 1182 be supplied in custom sizes?

Standard configurations vary by market. Custom slitting and die-cutting can be evaluated based on the required dimensions, drawings, and order quantity.

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Downloads

Available upon request:

• 3M 1182 Copper Foil Tape Technical Data Sheet (TDS)
• Safety Data Sheet (SDS)
• Product Brochure
• Die-Cutting Capability Guide

Please contact our sales team if you require the latest technical documentation.