PVC (Polyvinyl Chloride) electrical insulation tape is a type of adhesive tape made from durable plastic material that is known for its excellent insulating properties. It is designed to withstand high temperatures and is resistant to moisture, chemicals, and abrasion. The tape typically comes in various colors, although black remains the most popular choice for electrical applications.
Butyl Rubber Tape
Silicone repair tape (red or black)

self amalgamating rubber tape black 3m x 25mm.