Duct and Insulation Tapes 600 Series   –  HVAC all surface jacket (ASJ)   –  Insulated, HVAC all surface jacket (ASJ); backing is UL Listed; all temperature, acrylic adhesive. Used to butt join cold and dual temp duct and pipe systems and seal seams in pipe covering. Service temp range of 0 degrees F to 150 degrees F. Meets Spec: UL Listed.   –  Carolina Tape   –