wo employees inspecting a sealing in an industrial manufacturing environment.

Freudenberg Sealing Technologies

We are a global leader in highly demanding sealing technologies. Our solutions have found a home in many sectors – especially electric mobility and renewable energy.

With our strong focus on research and development, we are driving innovation to meet the growing needs of industry. Sustainability is at the center of what we do. We develop environmentally friendly products that help to reduce our footprint.

Enhanced illustration based on a microscopic image of a material created by Freudenberg

_{The picture shown above is an AI-enhanced illustration of a microscopic image of a material developed by Freudenberg Sealing Technologies.}

Image of a bottle filling machine with sealing rings in the right corner of the photo

Defying highest temperatures

Quantix® is an innovative material class developed by Freudenberg Sealing Technologies. It withstands the highest temperatures and can be used for a wide range of applications.

Static and dynamic seals (Simmerring® seals, O-rings, and many more) for engines, transmissions, brakes, batteries, axles, steering suspension systems
Specialty seals for the process industry, hydraulics, pneumatics, gas diffusion layers, electrolysers, and wind turbines
Plug&Seal, diaphragms, and accumulators
Products and materials for optimizing thermal protection in electric vehicles, such as thermal barriers, DIAvent®, busbars, and Quantix®
Comprehensive range of services, from the design and development of custom solutions to rapid prototyping, spare parts, and small-batch production.