Premium All Weather 8 mil Black Electrical Tape 3/4" x 66 ft RollFlame Retardant & Cold Resistant 8 mil (0.20mm) Black PVC premium grade electrical insulation tape with a rubber based adhesive. Dielectric Breakdown: 6KV. Adhesion: 14 oz/in. Tensile: 17 lbs./in. Elongation: 250%. Temp. Resistance: 176°F (80°C). Individually cello wrapped and labeled. 1 1/2" (38.1mm) UL/CSA listed core.