J.V. Converting UHMW-PE-15/NATTR0518 JVCC UHMW-PE-15 UHMW Polyethylene Film Tape [15 mil Carrier]: 1/2" x 18 yd, Natural/Translucent Carrier/backing: uhmw (ultra high molecular weight) polyethylene film. Adhesive: acrylic Thickness: 21.3 mils (carrier, adhesive, liner) 17.3 mils (carrier, adhesive) 2.3 mils (adhesive) 15 mils (carrier) 4 mils (liner). elongation: 300 percent Adhesion: 50 ounces per inch (to stainless steel test panel). tensile strength: 60 pounds per inch (longitudinal) Service/operating temperature: up to 300F Certifications: chrysler ms-ch612, ford esb-m3g123-b, gm 6419M