Silicone self-sealing repair tape. High quality tape that insulates all shapes of conductors to 400 volts. Insulates and seals surfaces from -65 deg (degrees) C (Celsius) to 260 deg C or -85 deg F (Fahrenheit) to 500 deg F. Fuses to itself in seconds to stay water tight. Permanent mold in 24 hours or in minutes with heat application. Stretches up to 300% its original length. Ideal for electrical applications, plumbing projects, hose and tool repair, and more.