3M General Purpose Duct Tape 6969 3939
Strong, versatile duct tape for repairs
Model | Type | Thickness (mil/mm) | Color | Key Features | Typical Application |
|---|---|---|---|---|---|
DT8 | All-Purpose Duct Tape | 9.0 / 0.23 | Silver | Good adhesion, general purpose, economical | Temporary repair, bundling, sealing |
DT11 | Heavy-Duty Duct Tape | 10.2 / 0.26 | Silver | Higher tensile strength, durable | Industrial repair, packaging, bundling |
3939 | Heavy-Duty Duct Tape | 10.5 / 0.27 | Silver | Superior adhesion, rugged, conformable | Construction, HVAC, rough surface bonding |
6969 | Extra Heavy-Duty Duct Tape | 17.0 / 0.43 | Silver | Maximum strength, tear-resistant, waterproof | Extreme industrial, heavy bundling, permanent repair |
8979 | Performance Plus Duct Tape | 12.6 / 0.32 | Black, Olive, Slate Blue | Clean removal (up to 6 months), UV resistant, no delamination | Indoor/outdoor sealing, temporary fixing, color coding |