super33Scotch® Super 33+™ Vinyl Electrical Tape 1. Product description Scotch® Super 33+™ Vinyl Electrical Tape is a premium grade, 0.18 mm thick, all-weather vinyl-insulating tape. It is3M Scotch Super 33+ Electrical Tape - 1 in x 36 yd (108 ft), Premium Grade All-Weather Vinyl, Resistant to Abrasion, Moisture, Corrosion, Alkalies - 1 Long Roll, Black . Visit the 3M Store.