Scotch® Super 88 Professional Grade Vinyl Electrical Tape 100% ORIGINAL 3M 3M Scotch Super 88 (3/4X66) Premium Vinyl Electrical Tape is a premium heavy duty all-weather insulating tape. This black 8.5 mil tape offers flexibility and insulating properties and provides insulation for splices up to 600V. It provides excellent resistance to UV rays, abrasion, moisture, copper corrosion, and other substances. Measuring at 3/4" X 66', this vinyl electrical tape has a 1 inch core and performs in temperatures of 0 to 220°F. It is UL listed and CSA certified. Professional Grade Vinyl Electrical Tape Black Colour Heavy Duty Flame Retardant Weather Resistant 3/4 in. X 66 ft. (22 yds.) X .0085 in. 19 mm X 20.1 m X 0.215 mm