The AS568-438 DUPONT KALREZ 7075 O-Ring from Freudenberg-NOK is a premium sealing solution designed for high-performance applications. Sized AS568-438, this O-ring is made from Dupont Kalrez, known for its exceptional chemical resistance and thermal stability. It is ideal for use in industries such as pharmaceuticals, aerospace, and chemical processing, where reliability is critical. The precise dimensions ensure a perfect fit, enhancing sealing efficiency and longevity. This O-ring meets stringent industry standards, making it a trusted choice for engineers and maintenance professionals.