Toyobo Film Solutions’ sealant based on its Teonex™ for fuel cells has been adopted for use in the latest model of the Toyota Mirai eco-car.
Teonex™ is a high-durability and heat-resistant polyethylene naphthalate (PEN) film and is increasingly being adopted for vehicle parts. The new sealant is made by coating a unique adhesive to TeonexTM, along with precision processing.
The product can provide various functions, such as the protection of power generation surfaces of fuel cells, insulation and shape retention for gas intake and exhaust components, in addition to joining components to make fuel cells.
Toyota evaluated the sealant for high durability in demanding environments, a key factor contributing to the long-term integrity of the fuel cells, and after successful trials, decided to use the sealant for its new Mirai.
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