ABOUT Ultimate Tyre seal was specially formulated for pneumatic tyre fitted to slow-moving heavy vehicles.It's excellent sealing abilities offer long-term protection against punctures in vehicle types that do not exceed speeds of 80 km/h.Extreme test have shown Ultimate 300 to continuously seal penetrations by objects up to 50mm on the tyres tread area and 20mm on the sidewall. Unlike water -based tyre sealants, Ultimate is an advanced chemical formula combining glycol, latex, adhesion agents, rust inhibitors, fibers and other components,