Shurtape PC-619 Fluorescent Duct Tape: 2 in. x 60 yds. (Fluorescent Yellow) Carrier/backing: polyethylene film with a polyester/cotton blend cloth carrier. Adhesive: natural rubber Thickness: 9 mils (carrier, adhesive) Tensile strength: 22 pounds per inch (longitudinal). adhesion: 50 ounces per inch (to stainless steel test panel) Elongation: 16 percent Service/operating temperature: 50F to 200F