Asahi Kasei Corp. (TYO:3407) publicly unveiled its fifth-generation solution styrene butadiene rubber (S-SBR) during the Rubber & Elastomer Technical Exhibition at IRC 2016 Kitakyushu. The company exhibited XF and XB grades from the new series. Although they had been shown to engineers at conferences, this is the first time for the company to exhibit the grades publicly. Deliveries are already…