<h2>FKM Brown Fluorine Rubber O-Ring Seals – Corrosion-Resistant, High-Temperature &amp; Oil-Resistant Gaskets</h2> <p>Keep your equipment running leak-free with these premium <strong>FKM (Fluorocarbon) O-Ring Seals</strong>. Crafted from high-grade brown fluorine rubber, these standard ring gaskets deliver exceptional resistance to oils, fuels, chemicals, and extreme temperatures — making them a go-to sealing solution for industrial factories, HVAC systems, air conditioning units, hydraulic assemblies, and everyday home plumbing repairs.</p> <h3>Key Features</h3> <ul> <li> <strong>Material:</strong> High-quality FKM (Fluorocarbon/Viton-type) rubber — brown color</li> <li> <strong>Cross-Section (CS) Thickness:</strong> 2.4 mm &amp; 3.1 mm options available</li> <li> <strong>Outer Diameter (OD) Range:</strong> 8 mm to 90 mm — wide selection to fit many applications</li> <li> <strong>Oil Resistance:</strong> Maintains integrity when exposed to hydraulic oils, fuels, and lubricants</li> <li> <strong>Wear Resistance:</strong> Durable construction withstands mechanical friction and repeated use</li> <li> <strong>Temperature Resistance:</strong> Performs reliably across a broad temperature spectrum — ideal for demanding environments</li> <li> <strong>Corrosion &amp; Chemical Resistance:</strong> FKM compound resists degradation from aggressive chemicals and solvents</li> <li> <strong>Standard Shape:</strong> Classic ring gasket profile ensures a consistent, reliable seal</li> <li> <strong>Versatile Use:</strong> Suitable for factories, air conditioning systems, hydraulic equipment, and home maintenance</li> <li> <strong>Safe Package:</strong> Each order arrives in protective packaging to prevent damage in transit</li> </ul> <h3>Specifications</h3> <table style="width:100%; border-collapse:collapse;"> <tr style="background-color:#f5f5f5;"> <th style="border:1px solid #ddd; padding:8px; text-align:left;">Specification</th> <th style="border:1px solid #ddd; padding:8px; text-align:left;">Details</th> </tr> <tr> <td style="border:1px solid #ddd; padding:8px;">Material</td> <td style="border:1px solid #ddd; padding:8px;">FKM Fluorine Rubber</td> </tr> <tr style="background-color:#f9f9f9;"> <td style="border:1px solid #ddd; padding:8px;">Color</td> <td style="border:1px solid #ddd; padding:8px;">Brown</td> </tr> <tr> <td style="border:1px solid #ddd; padding:8px;">CS Thickness</td> <td style="border:1px solid #ddd; padding:8px;">2.4 mm / 3.1 mm</td> </tr> <tr style="background-color:#f9f9f9;"> <td style="border:1px solid #ddd; padding:8px;">Outer Diameter (OD)</td> <td style="border:1px solid #ddd; padding:8px;">8 mm – 90 mm</td> </tr> <tr> <td style="border:1px solid #ddd; padding:8px;">Shape</td> <td style="border:1px solid #ddd; padding:8px;">Ring Gasket</td> </tr> <tr style="background-color:#f9f9f9;"> <td style="border:1px solid #ddd; padding:8px;">Standard</td> <td style="border:1px solid #ddd; padding:8px;">Standard</td> </tr> <tr> <td style="border:1px solid #ddd; padding:8px;">Country of Origin</td> <td style="border:1px solid #ddd; padding:8px;">Made in China (Mainland)</td> </tr> </table> <h3>Where to Use These O-Ring Seals</h3> <ul> <li>Air conditioning &amp; HVAC systems</li> <li>Hydraulic &amp; pneumatic equipment</li> <li>Automotive fuel &amp; oil systems</li> <li>Industrial machinery &amp; factory equipment</li> <li>Home plumbing, faucets &amp; valves</li> <li>Chemical processing equipment</li> </ul> <p>Looking for other practical hardware and tools? You may also find these useful:</p> <ul> <li><a href="/products/10pcs-2-pin-quick-splice-spring-wire-connectors-lock-terminals">10pcs 2-Pin Spring Wire Connectors – Quick Splice Lock Terminals</a></li> <li><a href="/products/stainless-steel-self-tapping-screws-m2-2-m4-8-phillips-wood-hinge">10PCS Stainless Steel Self-Tapping Screws M2.2–M4.8