Features and Benefits:

• Economy grade duct tape
• Polyethylene coated cloth backing with rubber adhesive
• High tack, conformability, strength and easy tear make 3939 ideal for many duct and moisture sealing, holding, protecting and bundling applications
• Silver polyethylene surface resists wear, abrasion and water
• High tensile strength for a secure hold under stress

3M Heavy Duty Duct Tape 3939 offers easy tear and conformability. Individual roll wrap preserves integrity of the roll for less waste. The product number is printed in core to insure the correct product is used. Good moisture resistance. Has good tensile strength.".