Nitrile Rubber made O-Rings are ideal for use as seals on pumps, drive belts, and other general engineering applications. These O-Rings are made from quality grade rubber to ensure durability. These O-Rings are good for applications that need to withstand fats, Greases and high temperature. These Nitrile Rubber made O-Rings are suitable for many hydrocarbons, fats, oils gasoline, petroleum based hydraulic fluid etc.