Heat tape, commonly referred to as heat trace or heat trace tape, is an essential heating solution in various electric applications. This flexible electrical tape is designed to provide consistent heat to pipes, roofs, and other structures to prevent freezing, moisture buildup, or maintain required temperatures. As the demand for efficient temperature management grows, heat tape has emerged as a popular choice across numerous industries and households.
Butyl Rubber Sealant Tape: Everything a Contractor Should Know

Electrical:Butyl sealant tape can be employed to seal and insulate electrical connections and cable joints, to help prevent the ingress of water and other contaminants.

33 kv ht insulation tape.
What is Polyethylene Rubber Tape?
On the other hand, duct tape is a cloth-backed pressure-sensitive tape made of a thin polyethylene-coated cloth with fibers and a rubber-based adhesive on the other. This composition makes duct tape extremely durable, water-resistant, and great for a wide range of applications.