Shurtape DF-545/NAT225 DF-545 Double Coated Cloth Carpet Tape: 2" x 75 ft, Natural Carrier/backing: polyester/cotton blend cloth. Adhesive: rubber-based Service/operating temperature: 50F to 200F Release liner: blue siliconized polyethylene film Thickness: 13.5 mils (carrier, adhesive) Adhesion: 45 ounces per inch (to stainless steel test panel). tack: 9 inches (rolling ball). tensile strength: 25 pounds per inch (longitudinal)