The Power of Daramic
For over 90 years, Daramic, LLC has led the way in developing new and innovative technology for the lead acid battery market. With headquarters in Charlotte, North Carolina, USA—Daramic is the global leader in supplying high performance polyethylene battery separators to the lead acid battery industry.
Daramic operates 8 manufacturing facilities and 7 sales office globally. Each facility is strategically located, ensuring continuity of supply, short lead times and fast service. In the USA, our Owensboro, Kentucky plant, serves North, Central and South America. Our facilities in Selestat, France and Norderstedt, Germany serve our European customers. Daramic serves the Asia/Pacific Region through our plants in Baddi, Gujarat, India, Tianjin and Xiangyang, China and Prachinburi, Thailand.
Daramic is also committed to delivering unsurpassed expertise in advanced separator technology. Three Center of Innovations in Owensboro, Kentucky, Selestat, France, and Gujarat, India serve as the central hubs for our scientists, industry experts and service technicians – all of whom have valuable industry-specific experience. Our team—combined with state-of-the-art product development, material analysis, pilot manufacturing and testing facilities—can serve as an extended resource for your technical team. Customizing products to meet specific needs, or providing assistance with field support, Daramic’s Centers of Innovation are available to you.
Daramic is part of the Asahi Kasei Group, a diverse, innovation leader providing battery solutions across all major chemistries including lead-acid battery and lithium-ion.
Daramic – Keeping the World in Motion
Company History
1930
Daramic established as Dewey & Almy Corporation, USA and develops rubber separators
Daramic established as Dewey & Almy Corporation, USA and develops rubber separators
Owensboro, Kentucky, USA plant expands to become the first location to invent & manufacture PE separators
Manufacturing established in Norderstedt, Germany and Selestat, France
Established footprint in Asia with opening of manufacturing plant in Prachinburi, Thailand
Daramic expands into China by forming a joint venture
Bangalore, India plant is established through acquisition
Daramic establishes a joint venture with Camel in China
Daramic commences manufacturing operations in Baddi, India
Asahi Kasei acquires Polypore International, LP, the parent company to Daramic and affiliates
Production & Quality
Daramic operates 7
manufacturing facilities across three continents, which meets
global production capacity, while
providing flexibility to efficiently and effectively meet the needs of customers
around the world. Consistent
implementation of the three major manufacturing process steps is key to delivering
quality across the globe.
Before products are shipped, several physical and chemical measurements are performed throughout the process. Annually, over 10,000 certificates of analysis are prepared, checked and sent to customers. More than 250 samples are produced annually to support our customer's product development, cost reduction initiatives or target new applications.