<h2>FKM Fluororubber O-Rings – Complete Size Range, Superior Sealing Performance</h2> <p>Meet the sealing solution trusted across industries: <strong>Ouling FKM Fluororubber O-Rings</strong> in 2.5mm, 2.8mm, and 3mm cross-section thicknesses. Engineered from premium Fluoroelastomer (FKM/Viton-type) rubber, these o-rings deliver outstanding resistance to high temperatures, fuels, oils, hydraulic fluids, and a wide range of chemical media — making them the go-to choice for demanding mechanical applications.</p> <h3>Why Choose These FKM O-Rings?</h3> <ul> <li> <strong>Temperature Resistant:</strong> FKM material withstands extreme heat, keeping seals intact where standard rubber would degrade.</li> <li> <strong>Excellent Chemical Resistance:</strong> Compatible with oils, fuels, hydraulic fluids, and many aggressive chemical media.</li> <li> <strong>Smooth, Burr-Free Surface:</strong> Each ring is manufactured to a smooth finish — no burrs, flash, or surface defects — ensuring a consistent, leak-free seal every time.</li> <li> <strong>Dimensionally Stable:</strong> High adhesive content and premium raw materials resist deformation under pressure, maintaining their shape and sealing integrity over time.</li> <li> <strong>No Odor, Safe &amp; Eco-Friendly:</strong> Manufactured without harmful additives; safe for use in both static and dynamic sealing environments.</li> <li> <strong>Long-Term Durability:</strong> Color-stable and fade-resistant for extended service life.</li> <li> <strong>Complete Specifications Available:</strong> Large inventory with a comprehensive range of inner diameters in 2.5mm, 2.8mm, and 3mm cross-section sizes.</li> </ul> <h3>Applications</h3> <p>These FKM o-rings are suitable for installation on virtually any mechanical equipment operating at specified temperatures and pressures, in liquid or gas media — functioning as reliable seals in both static and dynamic (moving) applications. Typical uses include:</p> <ul> <li>Machine tools, construction, mining, and agricultural machinery</li> <li>Automotive and marine engines</li> <li>Aerospace and metallurgical equipment</li> <li>Chemical, petroleum, and plastic processing machinery</li> <li>Engineering and hydraulic systems</li> <li>Instruments, meters, and precision equipment</li> </ul> <h3>Product Specifications</h3> <table> <tr> <td><strong>Brand</strong></td> <td>Ouling</td> </tr> <tr> <td><strong>Material</strong></td> <td>FKM Fluororubber (Fluoroelastomer)</td> </tr> <tr> <td><strong>Cross-Section (CS) Thickness</strong></td> <td>2.5mm / 2.8mm / 3mm</td> </tr> <tr> <td><strong>Shape</strong></td> <td>Ring Gasket</td> </tr> <tr> <td><strong>Standard</strong></td> <td>Standard</td> </tr> <tr> <td><strong>High-Concern Chemicals</strong></td> <td>None</td> </tr> <tr> <td><strong>Country of Origin</strong></td> <td>Made in Mainland China</td> </tr> </table> <h3>Related Products You May Like</h3> <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 Phillips</a></li> <li><a href="/products/10-20mm-diamond-flat-grinding-wheel-dry-and-wet-use-heavy-duty-concrete-grinder-wheel-blue-vacuum-brazed">10/20mm Diamond Flat Grinding Wheel – Heavy Duty Concrete Grinder</a></li> </ul> <p>Learn more: <a href="https://www.osha.gov/personal-protective-equipment" target="_blank" rel="noopener">OSHA on personal protective equipment</a></p> <h3>Frequently Asked Questions</h3> <h4>Q: What is the difference between FKM fluororubber o-rings and standard rubber o-rings?</h4> <p>A: FKM (Fluoroelastomer/Fluororubber) o-rings offer significantly superior temperature resistance, chemical resistance, and dimensional stability compared to standard NBR or EPDM rubber o-rings. They are idea