J.V. Converting BST-24/LBLU038180 JVCC BST-24 Bag Sealing Tape: 3/8" x 180 yd, Light Blue Carrier/backing: unplasticized polyvinyl chloride film (upvc). adhesive: solvent based natural rubber Elongation: 75 percent Thickness: 2.4 mils (carrier, adhesive) Adhesion: 15 ounces per inch (to stainless steel test panel). tensile strength: 42 pounds per inch (longitudinal) Service/operating temperature: up to 176F