O‑Ring Cleanliness 1 / 200 µm standard ensures exceptional fluid sealing and surface quality by meeting stringent dimensional and finish tolerances. Ideal for applications requiring high sealing integrity and smooth operation; such as hydraulic valves, precision instruments, medical devices, and pneumatic systems, where low friction, leakage avoidance, and long-term reliability are paramount. This is a Custom Article Number with a Customer Specific Design.