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The 3M 7100139306 is a heavy-duty duct tape engineered for both permanent and temporary applications in indoor and outdoor environments. Sold as the Performance Plus Duct Tape 8979N in Nuclear Slate Blue, it features a 12.1 mil total thickness and comes in a 144 mm wide roll measuring 54.8 meters in length. The construction balances aggressive initial adhesion with controlled removability — when removed within 6 months of application, it lifts cleanly from most opaque surfaces with little or no adhesive residue. HVAC technicians, sheet metal contractors, and facilities maintenance crews use this tape where a reliable, cleanly removable seal is required.
This tape is suited for temporary containment, duct sealing, bundling, and surface protection tasks in both residential and commercial settings. Its UV-resistant backing holds up to one year of direct outdoor exposure, making it a practical option for exterior mechanical enclosures, outdoor equipment wrapping, and jobsite staging applications. The Nuclear Slate Blue color aids identification in multi-tape environments and blends with standard sheet metal ductwork. Sold by the roll, with a minimum order quantity of 24 rolls.
Designed for use on most opaque surfaces in HVAC, construction, and facilities maintenance applications where temporary or permanent duct sealing, bundling, or surface protection is required.
Apply to clean, dry surfaces free of dust, oil, and loose material for best adhesion. In temporary applications, plan removal within the 6-month window to minimize adhesive residue. For outdoor use, ensure edges are fully pressed down to prevent wind lift and moisture intrusion under the tape edge. No special tools are required beyond a tape applicator or utility knife for clean cuts.
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