3M'S 1700 most popular Temflex Vinyl Electrical Tape has been replaced with a much stronger version, found here: 3M-175BK4A-10 175 Temflex Vinyl Electrical Tape, Black - 3/4in x 60ft.
3M's TemflexTM 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 polyvinyl 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.