Self-Extinguishing B-637 is designed for cable and wire bundle identification and label applications where self-extinguishing properties are required. Matte finish material with permanent acrylic adhesive can be dot matrix printed. Judged to be self-extinguishing by laboratory testing and exhibits good solvent and heat resistance. Meets MIL-M-87958 requirements. Service temperature of -94 deg F to 275 deg F -70 deg C to 135 deg C. Tedlar is a registered trademark of E. I. du Pont de Nemours and Company.