Daramic, LLC

United Statesdaramic.com

Daramic, LLC is a global supplier of microporous polymer separators for lead‑acid batteries. Its portfolio centers on polyethylene-based separator sheets engineered to manage ion transport, support plate integrity, and help improve performance and service life in flooded and enhanced flooded (EFB) battery designs.

The company serves major lead‑acid segments including automotive starting‑lighting‑ignition (SLI) and start‑stop/EFB, motive power, deep‑cycle, and industrial reserve power applications. Daramic operates R&D, technical support, and manufacturing across North America, Europe, and Asia to support battery producers with application-specific separator formulations and designs.

Latest news on Daramic

5 December 2025
Asahi Kasei to End HMD Production for Long-Term Profitability

HMD production will end by April 2027, reallocating resources to key growth areas. Employee roles will be reassigned, with minimal impact on overall performance.

2 December 2025
Asahi Kasei Divests Daramic Lead Battery Separator Business

The divestiture aligns resources with growth areas like electronics and lithium-ion battery separators, enhancing Asahi Kasei's focus on high-potential initiatives and capital efficiency.

2 December 2025
Asahi Kasei Sells Daramic Lead Battery Separator Business

The divestiture aligns resources for growth in electronics and lithium-ion battery separators, focusing on North America, Japan, and Korea, under a strategic management plan.