
Freudenberg Sealing
About
Freudenberg Sealing Technologies offers comprehensive sealing, venting, and thermal management solutions designed to improve electric vehicle battery safety, performance, and efficiency. Their portfolio includes DIAvent® pressure equalization valves, busbar seals, and thermally conductive materials for heat management, as well as new elastomer sealing materials that reduce leakage. Key products and services for battery technologies include Battery Safety & Protection materials for thermal runaway resistance, DIAvent® technology for pressure management, and sealing solutions such as high-performance gaskets and 2K designs for battery housings, all aimed at high-volume EV and energy storage applications. Freudenberg Sealing Technologies also emphasizes testing and customization to ensure reliability and longer battery life in EVs, buses, and industrial battery systems.
Quick Facts
- Founded
- 1929
- Team Size
- 2000+
- Funding
- Private
- Last Updated
- Apr 21, 2026




