Microporous owns and operates two world-class manufacturing facilities in the U.S. and Europe capable of producing approximately 130 million square meters of separators annually to serve a global customer base.
PINEY FLATS, TENNESSEE
Built in 1971, our Piney Flats plant manufactures and distributes Ace-Sil®, Flex-Sil®, CellForce®, DuroForce® and GlassForce® separators, and is the ONLY facility in the world making rubber separators. Our manufacturing operations in this facility are ISO 9001 certified.
Our Feistritz facility’s emission and utility consumption rates, are unmatched in the industry. The Feistritz plant is well-located near key European customers with convenient access to serve Asian and African markets. This facility is ISO 9001 and ISO 14001 certified.
Microporous continues to invest to be the most complete and capable lead-acid battery separator supplier in the world. Our commitment and focus have made us one of the most important and effective partners to help our customers succeed.
Only producer of natural rubber-based separators in the world.
Five state-of-the-art PE lines with the most advanced control systems in the industry
Separator capacities over 130mm M2
Custom options: cut piece, roll stock, profiles, wide range of OA thickness, and multiple options for glass mat
Internal development and testing of new profiles and material formulations
Ability to create custom solutions for all customers
Backweb ranges from 150µm to 550µm
Overall Thickness ranges from
Many rib pitches available
Mini/negative rib capabilities on most products
Many positive rib profiles available