O-Rings with a circular cross-section: O-Rings are among the sealing classics par excellence. Primarily used for static sealing of inactive machinery components against liquids and gases. Special solutions and special forms are also suitable as dynamic sealing elements, e.g. as piston or rod seals in the hydraulic system. This applies to simple (black and round) NBR O-rings as well as high-tech rubber compounds. Developing, producing and supplying the optimum seal for every industrial application. For new installations or replacement parts for the maintenance of existing systems from installation projecting to chemical applications, and semiconductors.