3M 3939 Heavy Duty Duct Tape

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

Filename	Action
3M 3939 Tech Data Sheet.pdf	[ Download File ]

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

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