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Bridgestone and Dow develop new tyre sealant tech

Bridgestone Americas and Dow have partnered to develop B-SEALS, a recyclable, silicone-based tyre sealant technology.

The extended mobility solution will be introduced at an upcoming expo in Detroit, and represents more than four years of joint research and development between the two companies.

B-SEALS technology provides “excellent sealant performance” in the event of a puncture without compromising sustainability, Bridgestone said.

Unlike conventional sealants that are difficult to separate from tyres, Bridgestone said that this silicone-based sealant can be efficiently removed after application, promoting tyre repairability and potentially extending the amount of time a tyre is in service.

Because it’s removable and recyclable, B-SEALS sealant technology also supports end-of-life tyre recycling and enables tyre material circularity.

Bridgestone said that it will initially offer tyres with B-SEALS sealant technology to original equipment manufacturers looking to reduce vehicle weight and improve overall efficiency as more electric vehicles come to market.

“We envision a future where tyres are the ultimate enablers of sustainable mobility,” said Nizar Trigui, CTO and group president, Solutions Businesses, Bridgestone Americas.

“Not only will tyres be able to self-seal following a puncture, but we are also developing technologies that will relay real-time tyre health information to a driver or fleet manager so that they can make more informed vehicle maintenance decisions.”