3M heavy duty duct tape 3939 is composed of a waterproof polyethylene film over cloth scrim backing with a rubber adhesive used for demanding duct tape applications
3M 70006250131 Duct Tape, Heavy-Duty, Multi-Purpose, Width: 1.88 Inch, Length: 60 yard, Thickness: 9 mil, Tensile Strength: 25 in.-lb., Adhesion Strength: Adhesion To Steel: 55 in.-oz., Silver, Backing Material: Polyethylene Over Cloth Scrim/Rubber, Adhesive: Rubber, Temperature: 93 deg C For Additional Product Information, click here