A:This is a common problem without a very good solution. As rubber ages, it hardens and becomes brittle. The reason for this is the plasticizers, the chemicals that make rubber soft and pliable ...

Goodyear has patented a method for replenishing sealant in self-sealing tires during repairs. The process involves injecting a liquid polyisobutylene sealant into the tire’s sealant layer ...

the Sumitomo Rubber Industries affiliate said July 20. According to the manufacturer, Coreseal technology features a layer of highly adhesive, yet viscous sealant on the inner lining of the tire. The ...