Proven Process: BreathTech® Vapor Permeable Membrane

The patented manufacturing process used to produce BreathTech® vapor permeable membranes was originally developed decades ago (in the 1970s) to create battery separators – a critical barrier membrane used in battery systems.

Daramic, LLC, the producer of BreathTech® membranes, is a market leader specializing in highly engineered microporous membranes with:

  • More than 90 years of experience in membrane manufacturing
  • Seven manufacturing facilities and seven sales offices globally, providing continuity of supply, short lead times and fast service
  • Multiple global technology centers focused on material science, polymer chemistry, and microstructure analysis
  • Many of the world’s top membrane experts with advanced development and manufacturing know-how
  • Quality systems in place to support some of the strictest manufacturing standards in the world
(ex: for lithium battery and other automotive or electronic components)

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