3M™ Aluminum Foil Tape 1120 with Electrically Conductive Acrylic Adhesive - roll size 6" x 36 yards.

3M™ Aluminum Foil Tape 1120 – Electrically Conductive Acrylic Adhesive

3M™ Aluminum Foil Tape 1120 is a high-performance, electrically conductive aluminum foil tape designed for demanding EMI/RFI shielding applications. Built with a 2 mil flat aluminum foil backing and coated with a non-corrosive, electrically conductive acrylic pressure-sensitive adhesive, this tape provides reliable electrical grounding and strong mechanical performance in one easy-to-apply solution.

Each roll measures 6 inches wide by 36 yards long, providing excellent coverage for large shielding jobs, enclosure seams, cable wrapping, and production environments.

Key Features

• High EMI/RFI Shielding Performance – 69 dB average shielding effectiveness (300 kHz – 2.5 GHz)
• Electrically Conductive Adhesive – Maximum 0.010 Ω/in² resistance for dependable grounding
• Strong Adhesion – 25 oz/in minimum adhesion to steel
• Durable Construction – 2 mil aluminum foil backing; 3 mil total thickness
• Flame Retardant – UL Recognized per UL 510A Standard
• Easy Application – No heat, solvents, or moisture required
• Die-Cut Capable – Ideal for prototyping and production use

Common Applications

• EMI/RFI shielding in electronics
• Seaming shielded rooms and enclosures
• Static charge draining
• Cable and harness wrapping
• Bonding to non-solderable materials

Specifications

• Total Thickness: 3.0 mil
• Backing Thickness: 2.0 mil aluminum foil
• Adhesion to Steel: 25 oz/in (minimum)
• Electrical Resistance: 0.010 Ω/in² (maximum)
• Color: Silver
• Shelf Life: 5 years (proper storage conditions)