Self-vulcanizing silicone tape bonds to it self without any form of adheasive. Prevents voltage leaks, and an extra level of heat and moisture protection. When streched and wrapped under tension, it bonds to itslef, creating an airtight, water-tight seal that is resistant to oils, fuels, acids, solvents, saltwater, road salt, and UV rays. It withstands 700 PSI and resists temperatures up to 500 degrees and as low as -76 degrees