Continental RevoSealant RTR Tubeless Tire Sealant 240mLContinental RevoSealant RTR Tubeless Tire Sealant. Continental Tire have long been the leaders in automotive tire sealant, to the point where most ultra-high-performance vehicles sold in Europe use Continental sealant instead of spare tires. Using the same technology, the latex and ammonia free, water-based formula of elastic polymers and micro fibers is safer and much more stable than leading sealants. The only sealant in the world which will not degrade tires over time and the lowest freeze point of any sealant sold today.4019238558913