Scotch Super 33+ vinyl electrical tape is a premium grade, 7 Mil thick, all-weather vinyl-insulating tape. It is designed to perform continuously in ambient temperatures up to 220 °F. The tape is conformable for cold weather application down to -18 °F. - It has excellent resistance to abrasion, moisture, alkalies, acids, corrosion and varying weather conditions (including ultraviolet exposure). The combination of elastic backing and aggressive adhesive provides moisture-tight electrical and mechanical protection with minimum bulk.