The AS568-330 DUPONT KALREZ 4079 O-Ring is a high-performance sealing solution designed for demanding applications. This O-ring features a diameter of 3.5 inches and is made from Kalrez, a material known for its exceptional chemical resistance and thermal stability. With a durometer rating of 75, it can withstand extreme temperatures and pressures, making it ideal for use in harsh environments. The O-ring meets industry standards, ensuring compatibility with various systems and applications. Its precise dimensions and robust construction provide reliable sealing performance, reducing the risk of leaks and enhancing system efficiency.