3M 33 Electrical Tape is a quality, general-purpose vinyl insulating tape.
It has excellent resistance to:
Abrasion, Moisture, Alkalies, Acid, Copper Corrosion and varying Weather conditions
(including Sunlight).
It is a Polyvinyl Chloride (PVC) tape that has a High Dielectric Strength,
is Flame-Retardant and Conformable, and provides excellent mechanical protection with minimum bulk.
It is a UL Listed “Insulating Tape”.