The Freudenberg-NOK AS568-904 O-Ring is made from 90 Durometer EPDM (Ethylene Propylene Diene Monomer), offering superior resistance to heat, ozone, and weathering. This O-Ring is engineered for a precise fit in various sealing applications, ensuring effective sealing and preventing leaks. Its robust design meets industry standards, making it suitable for automotive, plumbing, and industrial applications. The EPDM material guarantees long-lasting performance, making this O-Ring a vital component for maintaining system integrity.