3M™ 3311 Aluminum Foil Tape
3M™ Aluminum Foil Tape 3311 is a general-purpose foil tape designed for a wide range of indoor and light-duty outdoor applications. This tape offers excellent heat reflectivity, moisture resistance. Though it is not designed for high-temperature or chemically aggressive environments, 3M 3311 remains a dependable and economical choice for everyday repair and sealing tasks where performance and value must be balanced.
Applications include: Sealing ducts and insulation, moisture and vapor barriers, temporary repairs, EMI/RFI shielding, and general-purpose patching.
- Conforms well to irregular surfaces
- Resists transmission of vapor, odor, and smoke
- Excellent moisture and vapor sealing properties
| Property | Specification |
| Backing (Carrier) Material | 2.0 mil dead-soft aluminum foil |
| Adhesive Material | 1.6 mil Rubber-Based PSA |
| Adhesion to Steel (D3330) | 90 oz/in |
| Tensile Strength (kPa) | 48 kPa |
| Tensile Strength (PSI) | 17 psi |
| Elongation at Break | |
| Shielding Effectiveness (Average 300kHz - 2.5GHz) | |
| Product Color | Silver |
| Insulation Resistance | |
| Certifications | UL723 Rated |
| Thickness (Imperial) | 3.6 mil |
| Thickness (Metric) | 0.09mm |
| Maximum Operating Temperature (Celsius) | 82°C |
| Maximum Operating Temperature (Fahrenheit) | 180°F |
| Minimum Operating Temperature (Celsius) | -23°C |
| Minimum Operating Temperature (Fahrenheit) | -10°F |
