The Freudenberg-NOK 5.100" 70 VMQ O-Ring SI70A4 is crafted from high-grade VMQ (silicone rubber), offering superior sealing capabilities. With a cross-section of 0.210", this O-ring is engineered to resist high temperatures and a variety of chemicals, making it suitable for diverse applications in automotive and industrial settings. It meets stringent industry standards, ensuring durability and reliability. This O-ring is an essential component for engineers looking for effective sealing solutions in demanding environments.