TOKYO--(BUSINESS WIRE)--Dec 2, 2025-- Asahi Kasei, a diversified global manufacturer in the Healthcare, Homes, and Material sectors, announces its strategic divestiture of Daramic, a lead battery separator business, to Kingswood Capital Management, LP. The Daramic business transfer closed on December 1, 2025. The effect on Asahi Kasei’s consolidated financial results for fiscal 2025 is immaterial.