3M 1183 Tape consists of a 1-ounce deadsoft tin-plated copper foil backing and a unique electrically conductive pressure-sensitive acrylic adhesive.

• 3M 1183 Tape is typically used for applications requiring excellent electrical conductivity from the application substrate through the adhesive to the foil backing.
• Common uses include grounding and EMI shielding in equipment, components, shielded rooms, etc.
• The tin plating facilitates soldering to the backing and resists oxidation and corrosion.

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
• Strength and frequency of the EMI signal, etc.

For 3M 1183 Tape, typical shielding effectiveness (far field) is in the range of 70dB to 85dB (30 MHz to 1 GHz).