J.V. Converting MPF-01/BLK0572 JVCC MPF-01 Metalized Polyester Film Tape: 1/2" x 72 yd, Black Carrier/backing: metalized polyester film. Adhesive: acrylic Thickness: 2.1 mils (carrier, adhesive) 1 mils (carrier) Adhesion: 45 ounces per inch (to stainless steel test panel). tensile strength: 24 pounds per inch (longitudinal) Service/operating temperature: up to 300F Certifications: rohs compliant