Scotch 3799NA 0.75 by 450 by 0.007-Inch Super 33+ Vinyl Electrical Tape with Dispenser This premium grade electrical vinyl tape stretches to conform to virtually any shape that requires insulation Insulates and protects against abrasion, water, solvent splashes and chemicals Flame retardant and weather resistant Pressure-sensitive rubber based adhesive U.L Listed. Polyvinyl chloride (PVC) backing