3M VINYL DUCT TAPE YELLOW #3903 – 3M Vinyl Duct Tape 3903 it has an embossed vinyl backing that is easy to tear and conforms well to irregular surfaces. Offers a rubber adhesive that sticks well to many substrates and unwinds easily off the roll. Typical physical and performance characteristics include: thickness: 6.3 mils, adhesion to steel: 20 oz./in. width, tensile strength: 14 lbs./in. width, elongation at break: 150%, temperature use range: Up to 250°F. Rolls are 50 yards in length. Product is sold by the individual roll.