3M 3939 Heavy Duty Duct Tape
3M™ Heavy Duty Duct Tape 3939 is composed of waterproof polyethylene film over
cloth scrim backing with a rubber adhesive used for demanding duct tape applications.
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
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
Tech Specs |
Temperature Resistance Operating Range |
200 Degree Fahrenheit (93 Degree Celsius) |
Backing |
Polyethylene Film Over Cloth Scrim |
Adhesive Type |
Rubber |
Total Thickness |
8.6 mil (0.22 mm) |
Adhesion to Steel |
18 oz./in. width (21 N/100 mm) |
Tensile Strength |
27.0 lb. lbs./in. width (47.3 N/100mm) |
Elongation at Break |
17.0 % |
Colors |
Silver |