The 3M™ Temflex™ Vinyl Electrical Tape 165 is a good quality, multi-purpose vinyl insulating tape. This tape has great resistance to moisture and varying weather conditions.The 3M Temflex Vinyl Electrical Tape 165 is a polyvinyl chloride (PVC) tape that is flame-retardant and conformable. This tape provides great mechanical protection with minimum bulk. The 3M Temflex Vinyl Electrical Tape is a UL Listed and CSA Certified Insulating Tape. No solvents are used in the manufacturing process.