3M Temflex Vinyl Electrical Tape 1700 is a good quality, economical general purpose vinyl insulating tape. It has excellent resistance to: abrasion, moisture, alkalies, acid, copper corrosion and varying weather conditions. It is a poly vinyl chloride (PVC) tape that is flame-retardant and conformable. 3M Temflex 1700 Tape provides excellent mechanical protection with minimum bulk. It is a UL Listed and CSA Certified Insulating Tape. The economical solution for less demanding indoor jobs. On a 1 1/2 inch core, this black, 7 mil economy-grade vinyl tape serves as a general purpose tape. Inner pack of 1 per shrink wrap, 10 per sleeve with 100 rolls per case. Primary electrical insulation for most wire and cable splices rated up to 600 volts. Protective jacketing for high voltage cable splices and repairs.  Harnessing of wires and cables.  For indoor or outdoor applications.  For above or below ground application.