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3M Venture Tape UL181B-FX Mastik Foil Tape 1580-P is a UL printed aluminum foil tape designed to provide an instant water resistant bond on sheet metal, duct board, flex duct board, and duct wrap vapor barriers. The conformable foil backing and heavy mastic adhesive help the tape conform to irregular surfaces for reliable sealing in humid conditions.
| Brand | Venture Tape |
| Part Number | 1580-P |
| Product Type | Mastik Foil Tape |
| Backing Material | Aluminum Foil |
| Adhesive Type | Mastic |
| Color | Silver |
| Overall Width | 3.0 in |
| Overall Length | 33.33 yd |
| Backing Thickness | 1.95 mil |
| Elongation at Break | 9% |
| Tensile Strength | 20.0 lb/in |
| Shelf Life | 12 Month |