What is the meaning of NBR at the seals?

NBR stands for Nitrile Butadiene Rubber, which is a synthetic rubber commonly used in seals and gaskets due to its Excellent resistance to oils, fuels, and other chemicals. It offers good mechanical properties and can withstand a wide range of temperatures, making it ideal for applications in automotive and industrial settings. NBR seals are known for their durability and effectiveness in preventing leaks and maintaining pressure.