Business Overview

Polypore operates two businesses: Energy Storage and Separations Media. 

In Energy Storage, we produce lithium and lead-acid battery separators that enable mobile and portable energy.  In Separations Media, we produce membranes that enable high-performance filtration applications, including life saving medical procedures, as well as membranes and devices used in many industrial applications.

Within these two businesses, we have four major product groups:
High performance lithium-ion battery separators

End Uses:
  • Portable handheld devices
  • Power tools
  • Electric Drive Vehicles (EDVs)
  • Energy Storage Systems (ESS)

  www.celgard.com

Battery separators for lead-acid, and specialty applications

End Uses:
  • Automobiles/trucks
  • Golf carts
  • Forklifts
  • Critical backup power

 www.daramic.com

Microporous membranes and devices for medical applications

End Uses:
  • Hemodialysis
  • Blood oxygenation
  • Plasmapheresis
  • Medical modules

  www.membrana.com

OEM membranes and modules for industrial and specialty filtration applications

End Uses:
  • Water treatment
  • Food &‚Äč beverage
  • Microelectronics
  • Pharmaceutical
  • Power and boiler feedwater

 www.membranafiltration.com