The Freudenberg-NOK AS568-217 O-Ring is constructed from 90 Durometer EPDM (Ethylene Propylene Diene Monomer), providing excellent resistance to heat, ozone, and weathering. This O-Ring is designed for a precise fit in various sealing applications, ensuring durability and reliability. Its robust construction meets industry standards, making it ideal for use in automotive, plumbing, and industrial systems. The EPDM material ensures long-lasting performance, making this O-Ring a critical component for effective sealing.