ISC Racers Tape RT4004 Extreme-Duty Racer's Tape: 2 in. x 90 yds. (Black) Isc extreme-duty racer's tape is a highly aggressive and premium heavy-duty duct tape Extreme duty racers tape has superior tensile strength, a clean release from the roll, and will not non-delaminate Sometimes referred to as 100 mph or 200 mph racing tape Adhesive: rubber; carrier/backing: polyethylene coated cloth Thickness: 13 mils (carrier, adhesive); adhesion: 50 ounces per inch (to stainless steel test panel)