3M Wrap & Repair Silicone Tape creates an air and water tight seal for hose, electrical, plumbing, and tool repairs. This versatile, self-fusing tape resists heat, cold, friction and UV rays. By fusing to itself, it creates a permanent bond without the need for a sticky adhesive. It withstands temperatures from -85F to 500F.3M Wrap & Repair Silicone Tape creates an air and water tight seal for hose, electrical, plumbing, and tool repairs. This versatile, self-fusing tape resists heat, cold, friction and UV rays. By fusing to itself, it creates a permanent bond without the need for a sticky adhesive. It withstands temperatures from -85F to 500F.