The AS568-139 DUPONT KALREZ 4079 O-Ring is a high-performance sealing solution crafted from Kalrez, offering exceptional chemical and thermal resistance. This O-ring meets AS568 specifications, ensuring compatibility with various industrial applications. Ideal for use in sectors such as aerospace, automotive, and chemical processing, it provides a reliable seal that withstands extreme conditions. The 4079 formulation is known for its excellent mechanical properties, ensuring a long-lasting seal that can handle high pressures and temperatures without compromising performance.