JB Ultraseal is a Tyre Life Extender / Sealer which once installed will extend the life of any tyre as well as eliminate punctures, which in turn will minimize down time and increase profitability.JB Ultraseal is available in two different grades, Commercial grade which is designed for use in highway speed passenger vehicle and trucks, and a Extra Heavy Duty grade designed for use in slow moving mining and construction vehicles. Should you require any further information please check out our website which has video clips demonstrating the effects and uses of our product.