Polypore International

Plastics ManufacturingUnited States1001-5000 Employees

As a leading global high technology company specializing in microporous membranes, we bring advanced development and manufacturing know-how and unique problem-solving capabilities to your lithium-ion and lead-acid battery applications through our Celgard and Daramic operations.

Our Celgard business is the market leader in lithium-ion membrane battery separators for electric drive vehicles (EDVs) that include cars, buses and bikes. Our Daramic teams are at the heart of product innovation in advancing lead-acid battery systems for idle stop-start vehicles and many other industrial and transportation applications.

Lithium-ion and lead-acid batteries also play a critical role in energy storage systems (ESS) for storing and releasing power generated by wind turbines and solar panels. As the world continues to look for advanced power options, there are also many specialty applications that rely on lithium-ion and lead-acid innovation such as aircraft and drone batteries and ultra-capacitors. 

OUR PEOPLE & WORLDWIDE NETWORK
We are proud to employ leading experts and scientists that maximize the synergies and strengths of our Polypore, Celgard, Daramic and Asahi Kasei capabilities around the world. Our products are manufactured, marketed and serviced through 18 manufacturing, sales and service locations throughout the Americas, Europe and Asia.

Polypore International is an Asahi Kasei Group Company, led by Asahi Kasei Corporation, which is a diversified group of companies operating in the material, homes and health care business sectors. With more than 30,000 employees around the world, Asahi Kasei serves customers in more than 100 countries.

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