J.V. Converting UHMW-PE-20/NATT0518 JVCC UHMW-PE-20 UHMW Polyethylene Film Tape: 1/2" x 18 yd, Natural/Translucent Carrier/backing: uhmw (ultra high molecular weight) polyethylene film. Adhesive: acrylic Thickness: 21.8 mils (carrier, adhesive) 1.8 mils (adhesive) 20 mils (carrier) Adhesion: 60 ounces per inch (to stainless steel test panel). tensile strength: 50 pounds per inch (longitudinal) Service/operating temperature: up to 300F Release liner: blue poly film. Core: 3 inch