OUR HISTORY
Over our 80+ year history, Microporous has firmly established a reputation for quality and innovation, offering the broadest line of high-performance battery separators to a global customer base.
From our patent on Ace-Sil® to CellForce® ULR, we have developed the proprietary technologies and manufacturing know-how to establish us as the leading independent separator provider today.
As we write the next chapters of our success, we won’t forget our dedication to quality and commitment to exceptional service to our customers. We will continue to focus on our customers, employees, and products to ensure that Microporous retains its leadership position in the lead-acid battery industry for years to come.
1934
American Rubber Company creates and patents the first rubber battery separator, Ace-Sil®
1953
American Rubber Co. is acquired by Amerace Corp.
1971
Piney Flats facility becomes operational
1978
Amerace develops and patents Flex-Sil®
1991
Microporous Products, Inc. (“Microporous”) name is first used
1999
Microporous creates and patents the CellForce® separator
2000
Microporous installs a third manufacturing line to produce PE separators at Piney Flats
2007
Microporous begins construction of a separator production facility in Feistritz, Austria
2008
Feistritz plant is commissioned and starts production
2009
Piney Flats produces and sells DuroForce™ HD for the first time
2011
Feistritz facility reaches a global equivalent capacity of 40 million square meters per year, with CellForce®, DuroForce™ Ultra, and DuroForce™ CL
2013
FTC approves acquisition of Microporous by Seven Mile Capital Partners, making Microporous an independent company again
2014
New management team is put in place, focusing on equipment improvement projects
2015
EnerSys Outstanding Supplier Performance Award 2015
2016
New capacity expansion – Feistritz installs third line to produce CellForce® and DuroForce™
2018
Microporous Piney Flats Expansion takes place.
NOW
CellForce® ULR becomes the newest separator in the Microporous family of products
1934
American Rubber Company creates and patents the first rubber battery separator, Ace-Sil®
1953
American Rubber Co. is acquired by Amerace Corp.
1971
Piney Flats facility becomes operational
1978
Amerace develops and patents Flex-Sil®
1991
Microporous Products, Inc. (“Microporous”) name is first used
1999
Microporous creates and patents the CellForce® separator
2000
Microporous installs a third manufacturing line to produce PE separators at Piney Flats
2007
Microporous begins construction of a separator production facility in Feistritz, Austria
2008
Feistritz plant is commissioned and starts production
2009
Piney Flats produces and sells DuroForce™ HD for the first time
2011
Feistritz facility reaches a global equivalent capacity of 40 million square meters per year, with CellForce®, DuroForce™ Ultra, and DuroForce™ CL
2013
FTC approves acquisition of Microporous by Seven Mile Capital Partners, making Microporous an independent company again
2014
New management team is put in place, focusing on equipment improvement projects
2015
EnerSys Outstanding Supplier Performance Award 2015
2016
New capacity expansion – Feistritz installs third line to produce CellForce® and DuroForce™
2018
Microporous Piney Flats Expansion takes place.
NOW
CellForce® ULR becomes the newest separator in the Microporous family of products
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