O-Ring Flexcoat™ SF is a specialized dry-film surface treatment applied to elastomer O-Rings to enhance their performance in static-sealing applications. Flexcoat™ SF delivers the benefits of a lubricious, low-friction surface without the drawbacks of thicker coatings or design changes, offering a simple upgrade to improve seal handling, reliability, and longevity across many elastomer types. This is a Custom Article Number with a Customer Specific Design.