Closed-cell polyurethane foam can be used to make self-sealing tires

Self sealing tires

Amerityre has developed patented and proprietary technology relating to closed-cell polyurethane foam. With this technology it can manufacture non-highway use Flatfree™ tires for bicycles, wheelchairs, lawn and garden products, commercial and riding lawnmowers, as well as golf cars.

Source: amerityre.comAdded: 7 June 2006