3M 7000148383 Duct Tape 3900 Black 7.7 Mil 48mm X 54.8m

Product Description

The 3M 7000148383 is an industrial-strength duct tape built for demanding job-site conditions. Constructed with a polyethylene film layer over a dense cloth scrim and bonded with an aggressive rubber adhesive, this tape delivers reliable abrasion resistance and moisture resistance across a wide range of applications. The 7.7 mil gauge provides substantial thickness for durability in heavy-use scenarios. Each roll measures 48mm wide by 54.8 meters long and is finished in black. It is suited for use by HVAC technicians, plumbers, electricians, and general trade contractors who need a high-performance tape that holds under real-world conditions.

This tape is intended for use in industrial and commercial environments where standard consumer duct tape falls short. Common applications include sealing, bundling, patching, and general mechanical fastening on duct systems, pipe runs, and equipment. The black finish allows for clean, unobtrusive application in visible installations. Its moisture-resistant construction makes it appropriate for use in damp or high-humidity environments such as mechanical rooms, crawl spaces, and outdoor service areas.

Key Features

• 7.7 mil gauge construction for industrial-grade thickness and durability
• Polyethylene film over dense cloth scrim for tear resistance and conformability
• Aggressive rubber adhesive bonds to a wide range of surfaces
• Abrasion resistant and moisture resistant for demanding environments
• 48mm x 54.8m roll size delivers generous coverage per roll
• Black finish suits both visible and concealed installations

Compatibility

Designed as an industrial-strength duct tape suitable for HVAC ductwork sealing, mechanical bundling, and general-purpose trade applications where abrasion resistance and moisture resistance are required.

Installation Notes

Surface should be clean, dry, and free of dust or grease before tape application to ensure full adhesive contact. No special tools are required, though a tape gun or dispenser improves consistency on longer runs. Confirm local mechanical codes for any code-governed duct sealing applications, as some jurisdictions require UL 181-listed tape for specific duct types. This product is a pressure-sensitive tape and does not require heat activation.

Technical Specifications

• Gauge: 7.7 mil
• Width: 48mm
• Length: 54.8 meters per roll
• Color: Black
• Adhesive Type: Rubber
• Backing Material: Polyethylene film over cloth scrim
• Weight: 1.355 pounds
• Unit of Measure: Roll
• UPC: 00021200498336

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000148383