Dow Automotive reveals adhesive role in BMW i3 manufacture

Dow Automotive says its BETAFORCE structural adhesives were optimized by BMW for the manufacture of the carbon fiber passenger cell of the recently commercialized i3 all-electric car.

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Dow Automotive Systems (Auburn Hills, Mich., USA; Schwalbach, Germany) reported on Jan. 28 that it's BETAFORCE structural adhesives are being used by BMW Group (Munich, Germany) in the assembly and bonding of the carbon fiber composite passenger cell on the BMW i3 all-electric car.

Recent formulations of this adhesive offer a cycle time of around 1 minute and are currently being used for mass series production of the i3. Dow says open times can be adjusted to accommodate specific mounting requirements in the plant, such as a quicker curing time by infrared treatment. Further, the initial adhesion requires no additional fixing tools.

“Dow Automotive Systems is one of the pioneers in automotive bonding with more than 20 years of experience,” said Steve Henderson, president Dow Automotive. “Now, this heritage is benefitting our current automotive customers as they increase their use of lightweight materials. Our expertise in the chemical aspects of adhesives as well as our application and process knowledge make us a leading development partner for all lightweight bonding technologies."