O-Rings are used in a variety of fields they are used as sealing elements or as energizing elements for hydraulic seals and wipers. Thus, the O-Ring is basically used in every field of industry including aerospace, automotive or general engineering. Your Advantages Today, the O-Ring is the most widely used seal because of its inexpensive production methods and its ease of use. We offer you a range of elastomeric materials for both standard and special applications which allow the O-Ring to seal practically all liquid and gaseous media. The perfect O-Ring for each purpose O-Rings are both cost-effective and perform highly in almost every environment. No matter if you need metric or inch, standard or custom made O-Rings any size of O-Ring seals is available – including giant O-Rings Our rubber O-Rings are made of EPDM, FKM, NBR, HNBR, FFKM, FEP Special products apart from rubber O-Rings such as O-Rings in PTFE are also available.