3M™ 1181 Copper Foil EMI Shielding Tape
3M™ Copper Foil EMI Shielding Tape 1181 is a high-performance copper tape designed to provide reliable EMI shielding, grounding, and static discharge in electronics, industrial equipment, and enclosures. The tape resists oxidation and discoloration, ensuring long-term durability and consistent performance. 3M 1181 is UL Listed, flame-retardant, and RoHS 2011/65/EU compliant, making it a trusted solution for mission-critical applications requiring electrical continuity and EMI/RFI protection.
Applications include: EMI shielding for electronic enclosures, static charge draining and grounding, shielded room lining, conductive gaskets.
- Excellent EMI/RFI shielding and electrical grounding performance
- Resists oxidation and discoloration for long-term reliability
- Ideal for electronic enclosures, conductive gaskets, and static discharge paths
| Property | Specification |
| Backing (Carrier) Material | 1.4 mil copper foil |
| Adhesive Material | 1.2 mil Conductive Acrylic PSA |
| Adhesion to Steel (D3330) | 25 oz/in |
| Tensile Strength (kPa) | |
| Tensile Strength (PSI) | |
| Elongation at Break | |
| Shielding Effectiveness (Average 300kHz - 2.5GHz) | 66dB |
| Product Color | Copper |
| Insulation Resistance | ≤ 0.005 Ω/in² |
| Certifications | UL 510A Recognized (File E17385) |
| Thickness (Imperial) | 2.6 mil |
| Thickness (Metric) | 0.036mm |
| Maximum Operating Temperature (Celsius) | |
| Maximum Operating Temperature (Fahrenheit) | |
| Minimum Operating Temperature (Celsius) | |
| Minimum Operating Temperature (Fahrenheit) |
