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3M Scotch Foil Tape 3311 is a silver aluminum foil tape with aggressive rubber adhesive designed for general repair, duct sealing, and insulating seam and joint applications. The conformable dead-soft foil backing adheres well to smooth and irregular surfaces while providing resistance to flame, moisture, UV degradation, and water vapor transmission.
| Brand | 3M Scotch |
| 3M Product Number | 3311 |
| Product Type | Aluminum foil tape |
| Color | Silver |
| Adhesive Type | Rubber |
| Backing Material | Aluminum foil |
| Primary Liner | Paper |
| Overall Width | 2 in |
| Overall Length | 10 yd |
| Total Tape Thickness (without liner) | 3.6 mil |
| Backing Thickness | 2 mil |
| Tensile Strength | 17 lb/in |
| Elongation at Break | 3% |
| Minimum Operating Temperature | -10 Degree Fahrenheit |
| Maximum Operating Temperature | 180 Degree Fahrenheit |
| Specifications Met | UL 723 |
| Shelf Life | 12 Month |