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
Built to Stick
3M’s family of rugged cloth and duct tapes adheres to most surfaces for applications ranging from bundling to moisture proofing, sealing to splicing, reinforcing to hanging poly drapes. Available in a variety of colors and strengths, they’re known best for their hand tearability, high tensile strength and conformability.

3M 36881, Self-Stick Liquid Protection Fabric, Blue, 48 in x 300 ft, 7100169351
3M™ 94275, Versaflo™ Gold Coated Tinted Over-Visor with UV/IR Protection M-967N, 70071696879, 1 EA/Case
3M 87835, Scotch-Weld Epoxy Potting Compound DP270, Clear, 400 mL Duo-Pak, 7100077143,6/case
3M™ 07011, Supplied Air Respirator Hose W-9435-50/07011(AAD), 7000005373, 1 EA/Case
3M 76783, Cubitron II Hookit Cloth Disc 784F, 120+ XF-weight, 5 in x NH, Die 500X, 7100222757
Dynabrade 51629 .1 hp Straight-Line Pencil Grinder, Central Vacuum, 1/8" Collet
Standard Abrasives 715081, A/O Straight Cartridge Roll, 5/8 in x 2 in x 3/16 in 60, 7100102991
Dynabrade 51756 .1 hp Straight-Line Extension Pencil Grinder, Rear Exhaust, 35,000 RPM, 1/8" Collet
3M 71358, 641WY 1/4" X 24", 600 Mesh Diamond Cloth Belt, 7010534894
3M 22396, Roloc Disc 361F, 36 YF-weight, TR, 1-1/2 in, Die R150S, 7000045091
3M 65749, Detector Loop Sealant 5000, 1 Liter, 3M 7000056794, 12 per case
Dynabrade 11684 Dynabelter Contact Arm Assembly 4" DIA X 5/8" W., 40 Duro Serrated
3M 36876, Self-Stick Liquid Protection Fabric, Blue, 4 in x 300 ft perroll, 7100169348, 6 Rolls Per Pack
3M 21168, Cubitron II Cloth Belt 981F, Kit, 1/2 in x 18 in, 7100166522, 25 per case
3M 77559, Cubitron II Hookit Cloth Disc 784F, 77559, 36+ to 120+, 5 in x NH, Die 500X, 7100232738
3M 22407, Roloc Disc 361F, 80 YF-weight, TR, 1-1/2 in, Die R150S, 7000045099
3M™ 72010, Replacement Filter Kit 523-01-29, 7000056891, 1 EA/Case
3M 22393, Roloc Disc 361F, 36 YF-weight, TR, 3 in, Die R300V, 7000045093
3M 35831, Hookit Dust Extraction Flexible Radius Sanding Block, 178 mm x 66 mm, 7100256512
3M 10841 Trizact Film Belt 272LA, A35, Green, 11/16 in x 64 in, 7010508923
3M 16579, Accuspray ONE Replacement Spray Gun, 7100096183
3M 20942, Scotch-Weld Urethane Adhesive 3549, Brown, Part A, 5 Gallon Drum, (Pail), 7100041738
Dynabrade 51632 .1 hp Straight-Line Pencil Grinder, Central Vacuum, 1/8" Collet
Dynabrade 15420 Dynafile III Abrasive Belt Tool
3M 22405, Roloc Disc 361F, P100 YF-weight, TR, 3 in, Die R300V, 7000045102
3M 22408, Roloc Disc 361F, P100 YF-weight, TR, 1-1/2 in, Die R150S, 7000045101
3M 53914, Performance Plus Duct Tape 8979N Nuclear Red, 48 mm x 54.8 m 12.1 mil, 7000049014, 24/ case
3M 26597, Cloth Belt 341D, P320 X-weight, 1 in x 42 in, Film-lok, Single-flex, 7010294511, 200 per case
Dynabrade 95842 Dynabrade Air Lube 10W/NR, 1 Pint
3M 70894, 641WY 1/2" X 24", 100 Mesh Diamond Cloth Belt, 7010533228
3M 77197, Scotch-Brite™ Roloc™ Deburr and Finish PRO Unitized Wheel,TR, 3 in x 1/8 in x NH, 8C CRS+, 7100109130, 40/box
3M 26583, Accuspray Refill Pack for PPS Series 2.0, Green, 1.3 mm, 7100152953 
