Zeon announced on Nov. 30 that it will in the U.S. increase its production capacity of Zetpol, a hydrogenated nitrile rubber (HNBR). Construction will begin in November, with production scheduled to start in January 2025. The company has been strengthening its Zetpol supply system in recent years by increasing production capacity at its Texas plant in 2020 and its Takaoka…