Polypore International

Polypore International specializes in the development, manufacturing, and marketing of polymer-based microporous membranes that are essential for separation and filtration processes. The company offers a diverse range of membrane products, which cater to two key trends in the global economy: the rising demand for portable energy solutions and the need for high-performance filtration that ensures purity. In the energy storage sector, Polypore produces polypropylene and polyethylene monolayer and multilayer membrane separators for lithium batteries, which are critical components in consumer electronics such as mobile phones, laptops, and power tools. Additionally, its separation media segment provides advanced membranes and modules used in various applications, including healthcare and industrial filtration. With a strong focus on innovation and proprietary technologies, Polypore maintains one of the most comprehensive portfolios of microporous membrane products worldwide.