Patco 3900R/CLR160 3900R Embossed Removable Protective Film Tape: 1" x 36 yd, Clear Carrier/backing: embossed polypropylene film. Adhesive: rubber Thickness: 4.1 mils (carrier, adhesive) 3.5 mils (carrier). elongation: 700 percent Adhesion: 17 ounces per inch (to stainless steel test panel) Tensile strength: 14 pounds per inch (longitudinal) Service/operating temperature: -40F to 325F. Application temperature: 50F to 120F