3M Vinyl Duct Tape, Black, 2-Inch by 50-Yard, 6.3 Mil
Typical physical and performance properties for 3M 3903 Vinyl Duct Tape (2-Inch-by-50-Yard, Black) include adhesion to steel: 16 oz/in width, tensile strength: 14 lbs/in width, elongation at break: 129%,  thickness; 6.2 mils, temperature use range: up to 250F (121C) for up to one hour.