Polypore International Email Format
Plastics ManufacturingNorth Carolina, United States51-200 Employees
Polypore International is a mid-sized plastics manufacturer focused on microporous membranes used in lithium-ion batteries and other applications. Based in Charlotte, North Carolina, it emphasizes advanced development and manufacturing know-how to address customers' membrane needs. The firm operates within the Asahi Kasei Group, led by Asahi Kasei Corporation, a multinational organization with a substantial global footprint. Its customers include battery manufacturers and other users of microporous membrane materials, for whom the company provides specialized problem-solving capabilities. In 2021, Polypore formed a joint venture with China's Semcorp to produce dry process separators.