Rescue Tape .30 thick, self-fusing, premium quality silicone, used by the us Army as part of the battle damage assessment & repair kits bdar, carried on military vehicles & tanks, for emergency product for plumbing, automotive, electrical & industrial repairs, creates a permanent airtight, watertight seal in seconds, repair & seal leaky hoses, pipes, tubing, lines, & fittings, works even over oily or dirty surfaces, resists 500 degrees & remains flexible to – 85 degrees, insulates 8,000V, 950 PSI tensile strength, resists fuels, oils, acids solvent, salt water, road salt & UV rays, meets & significantly exceeds military specifications mil-spec.