The AS568-220 DUPONT KALREZ 6375 O-Ring from Freudenberg-NOK is a premium sealing solution designed for high-performance applications. Made from Kalrez, this O-ring offers exceptional resistance to high temperatures and aggressive chemicals, making it ideal for various industrial environments. It adheres to AS568 standards, ensuring a precise fit for reliable sealing. The KALREZ 6375 variant is particularly suited for applications involving harsh solvents and corrosive substances, providing a long-lasting seal. With a temperature tolerance of up to 260°C (500°F), it maintains its sealing properties under pressure, making it perfect for the oil and gas, chemical processing, and pharmaceutical industries.