Self-fusing silicone tape is a specialized type of tape made from silicone rubber that bonds to itself when stretched and wrapped around an object. Unlike traditional adhesive tapes, it doesn't have a sticky backing. Instead, the tape adheres to itself through a chemical process known as vulcanization.

When you wrap the tape around a surface, the layers of tape fuse together, forming a solid, rubbery seal. This makes it useful for a variety of applications, including:

1. Electrical Insulation: It can be used to insulate and protect electrical wires and connections.
2. Sealing and Repair: It's effective for sealing leaks and repairing hoses, pipes, and other components.
3. High-Temperature Resistance: The silicone material can withstand high temperatures and is often used in environments where other tapes might fail.
4. Weatherproofing: It's resistant to water, chemicals, and UV rays, making it ideal for outdoor and harsh conditions.

The self-fusing property allows for a strong, durable bond that can also be easily removed or repositioned if needed.