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3M 1245 Embossed Copper Foil Tape

3M™ Embossed Copper Foil Tape 1245 is an industrial grade 4.2 mil electrically conductive metal foil tape used for applications requiring electrical conductivity through both the adhesive and backing of the tape. This product’s copper backing readily facilitates soldering and resists oxidation and discoloration. Other applications include grounding and EMI shielding. This product is flame retardant.

Dead soft 1-ounce (1.4-mil) copper foil backing
Offers stable contact resistance and good shielding effectiveness
Embossed backing cuts through the layer of adhesive for establishing contact between the backing and the application substrate

Color: Copper

Liner Material: Clay Coated Kraft Paper

Backing/Carrier Material: Copper Foil - Embossed

Adhesive Type: Non-Conductive Acrylic

TotalThickness: 4.2 mil

Overview
Customize
Features
Specifications
Compliance
Resources

Overview

Consult

Specify a finalized design or create a new one from scratch with our experienced converting experts.

Design

Pair our material sampling library with our precision converting capabilities to optimize and validate a prototype.

Produce

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Customize

Customize This Material

Our wide range of converting capabilities allow us to take this material and transform it into the right width, length, shape or fabricated part to not only achieve ideal integration into your end use, but also optimize how you apply the material in your application. Our converting equipment paired with our expert engineering team will help you create the exact custom solution for your unique requirements.

To learn more about the most common converting services we offer, or to contact our team to start discussing your solution, please utilize the below links:

Tape Slitting

Die-Cutting

Custom Part Fabrication

Prototyping

Custom Length Rolls

Features

Dead soft 1-ounce (1.4-mil) copper foil backing
Offers stable contact resistance and good shielding effectiveness
Embossed backing cuts through the layer of adhesive for establishing contact between the backing and the application substrate
Flame Retardant per UL-510A Standard
Embossed pattern through adhesive provides very low contact resistance between the substrate and the backing to drain static charge
Acrylic adhesive has good resistance to heat, oxidation, solvents and oils
Copper foil backing is solderable and resists oxidation and discoloration
Rated for 600V dry applications
Supplied on a removable liner for easy handling and die-cutting

Specifications

Color	Copper
Backing/Carrier Material	Copper Foil - Embossed
Adhesive Type	Non-Conductive Acrylic
Total Thickness	4.2 mil
Backing/Carrier Thickness	1.4 mil
Adhesive Thickness	2.8 mil
Liner Material	Clay Coated Kraft Paper
Adhesive Strength	30.2 oz/in
Tensile Strength	21.9 lb/in
Flame Retardant	Yes
Electrically Conductive	Yes

Compliance

We value the importance of up to date an accurate regulatory information on the products we work with. For the most current Compliance and Regulatory information on your product of interest, please contact our experts for assistance.

Resources

Technical Data Sheet

3M™ Embossed Copper Foil EMI Shielding Tape 1245 is a high-performance EMI/RFI shielding solution featuring a conductive acrylic adhesive and embossed copper foil backing.

Designed for applications requiring exceptional electrical conductivity, this flame-retardant insulation tape ensures reliable grounding and shielding across a variety of electronic and industrial components. The removable liner allows for easy die cutting and precise handling during installation.

Rated for 600V dry applications.

Commonly used for grounding, EMI shielding in equipment, components and shielded rooms
Electrical design and test laboratories for prototyping, design and troubleshooting

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