A Tape with Versatility Originally developed for heating, ventilation and air conditioning (HVAC) applications, duct tape is used today in a variety of maintenance, repair and construction settings. 3M™ Heavy Duty Duct Tape 3939 is an excellent choice for general indoor application in MRO and construction. The tape was tested for flame spread using test method UL723, ASTM E84 and can be used at temperatures as high as 200°F for up to 30 minutes. The sturdy cloth-reinforced tape can be torn from the roll by hand and sticks instantly, providing a wide range of convenient solutions. This tape has a classic silver-colored backing.
Recommended Applications:
- Patching
- Bundling
- Reinforcing
- Tabbing
- Taping /splicing insulation
- Capping pipe
- Securing conduit ends
- Marking
- Labeling
- Temporary repair
- Hanging poly (polyethylene drapes)
- Protecting against light sandblast overspray
- High Strength Construction: Designed for use in heavy-duty maintenance, repair, and construction applications
- Clean Removal: Cleanly peels off of opaque, non-glass, indoor surfaces for up to one month
- Reliable Hold: The adhesive bonds immediately and holds for up to one year indoors without deterioration
- All-Purpose Backing: Strong polyethylene backing resists water, wear, and abrasion
- Water-Tight Seal: Forms a tight, moisture-resistant seal in many containment situations
- Maximum Conformability: Easily sticks to irregular surfaces and tight spaces without lifting