Gardner Bender HTP-1010 Repair Tape All Purpose Silicone Self-sealing 1-Inch Wide X 10-Feet Long X 20 mil Thick Black The Gardner Bender Professional Quality Silicone Rubber Guideline Tape provides versatile use as an insulator of all shapes of electrical conductors to 400 volts and as an insulator and sealant of high and low temperature surfaces from -65 degrees C to 260 degrees C maintaining flexibility and watertight sealing capacities at all temperature ranges. The tape fuses to itself in seconds and forms a permanent bond in 24 hours at room temperature or within minutes of application of a heat source. The tape insulates split bolts y-splices and outdoor electrical installations. It temporarily repairs auto radiator hoses garden hoses and water pipes plus it provides non-slip grips on sporting goods and other surfaces. It comes in a 10-foot roll.