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Freudenberg Sealing Technologies

A supplier of engineered sealing solutions and related technological components for automotive and general industries, applying 175 years of engineering and materials expertise.

Last updated September 15, 2026

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Overview

Freudenberg Sealing Technologies describes itself as a global leader in sealing solutions and applications, and a proven supplier for demanding products and applications as well as a development and service partner to customers in the automotive industries and in general industries. The company states that it applies 175 years of engineering and materials expertise and focuses on serving its customers' requirements and needs. Its portfolio, founded on the development of the Simmerring® Radial Shaft Seal in 1932, has been continuously expanded to include industrial seals and component technologies addressing performance, power, friction, emissions and material compatibility, alongside collaborative work with customers on the design and validation of custom sealing systems. The company also states that it develops customized solutions in close collaboration with customers, built on material and technology expertise, and that its values are rooted in the beliefs of founder Carl Johann Freudenberg and are recognized as principles of the Freudenberg Group.

History

Freudenberg Sealing Technologies states that its success dates back to 1932, when it developed the Simmerring®. Founded on that development, the company has continuously expanded its industrial seals and component portfolio to include a range of technology solutions addressing critical issues such as performance, power, friction, emissions and material compatibility. The company describes itself as applying 175 years of engineering and materials expertise, and its values are rooted in the beliefs of founder Carl Johann Freudenberg, who initiated the generational transition in his company in 1887 and passed on business principles to his sons that are recognized as core and guiding values of the Freudenberg Group.

Products and positioning

Global leader in sealing solutions and applications; a proven supplier for demanding products and applications and a development and service partner to automotive and general industry customers.

  • Simmerring® Radial Shaft Seal

    Radial shaft seal developed in 1932 that founded the company's portfolio development.

  • Accumulators, pressure compensation valves, thermal barriers, battery cell caps, high-performance materials

    Technological components beyond sealing included in the company's portfolio.

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