The AS568-426 DUPONT KALREZ 4079 O-Ring is designed for high-performance sealing applications. With a standard size of 426, this O-ring is made from Kalrez, a high-quality fluoropolymer known for its excellent chemical resistance and thermal stability. It features a 3 mm cross-section, making it suitable for various industrial applications. This O-ring complies with industry standards, ensuring reliability in demanding environments. Ideal for use in chemical processing, oil and gas, and other sectors requiring robust sealing solutions.