<h2>Black FKM O-Ring Sealing Gaskets — Fluorine Rubber, Multiple Sizes</h2> <p>Keep your systems leak-free with these premium <strong>Black FKM (FPM) Fluorocarbon Rubber O-Rings</strong>. Available in cross-section (CS) thicknesses of <strong>1mm, 1.2mm, and 1.5mm</strong>, these standard-size ring gaskets are engineered to deliver reliable sealing performance in demanding industrial, HVAC, and household applications.</p> <p>Made from high-grade <strong>fluorine rubber (FKM/FPM)</strong>, these o-rings offer exceptional resistance to oils, fuels, chemicals, and elevated temperatures — making them an ideal choice for factories, air conditioning systems, hydraulic equipment, and general plumbing use.</p> <h3>Key Features</h3> <ul> <li> <strong>Material:</strong> FKM / FPM Fluorocarbon Rubber — superior durability and longevity</li> <li> <strong>Color:</strong> Black</li> <li> <strong>Cross-Section Thickness (CS):</strong> 1mm / 1.2mm / 1.5mm — available in multiple specifications</li> <li> <strong>Oil Resistant:</strong> Stands up to petroleum-based fluids, lubricants, and hydraulic oils</li> <li> <strong>Wear Resistant:</strong> Maintains shape and integrity under continuous mechanical stress</li> <li> <strong>Temperature Resistant:</strong> Performs reliably across a wide temperature range</li> <li> <strong>Standard Shape:</strong> Ring gasket form for universal compatibility</li> <li> <strong>Applications:</strong> Ideal for factories, HVAC/air conditioning units, plumbing, and home appliances</li> <li> <strong>Wholesale Quantities Available:</strong> Great for bulk purchasing and maintenance stock</li> <li> <strong>Safe Packaging:</strong> Securely packed to protect seal integrity during shipping</li> </ul> <h3>Specifications</h3> <table> <tr> <th>Attribute</th> <th>Detail</th> </tr> <tr> <td>Brand</td> <td>Ouling</td> </tr> <tr> <td>Material</td> <td>FKM / FPM Fluorine Rubber</td> </tr> <tr> <td>Color</td> <td>Black</td> </tr> <tr> <td>CS Thickness</td> <td>1mm / 1.2mm / 1.5mm</td> </tr> <tr> <td>Shape</td> <td>Ring Gasket</td> </tr> <tr> <td>Standard</td> <td>Standard</td> </tr> <tr> <td>Suitable For</td> <td>Factories &amp; Homes</td> </tr> <tr> <td>Country of Origin</td> <td>Made in China</td> </tr> </table> <h3>Why Choose FKM Fluorocarbon O-Rings?</h3> <p>FKM (fluorocarbon) rubber is widely regarded as one of the most chemically resistant elastomers available. Unlike standard NBR or silicone rings, FKM o-rings maintain their sealing properties when exposed to aggressive fluids, high operating temperatures, and oxidizing chemicals — making them the go-to choice for engineers and maintenance professionals worldwide.</p> <h3>Related Products You May Like</h3> <ul> <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/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/10-20mm-diamond-flat-grinding-wheel-dry-and-wet-use-heavy-duty-concrete-grinder-wheel-blue-vacuum-brazed">10/20mm Diamond Flat Grinding Wheel Dry and Wet Use Heavy Duty Concrete Grinder</a></li> </ul> <p>Learn more: <a href="https://www.osha.gov/eye-face-protection" target="_blank" rel="noopener">OSHA on eye and face protection</a></p> <h3>Frequently Asked Questions</h3> <h4>Q: What does FKM / FPM mean for o-ring rubber gaskets?</h4> <p>A: FKM and FPM are designations for fluorocarbon rubber — a high-performance synthetic elastomer known for its outstanding resistance to oils, chemicals, fuels, and high temperatures. FKM o-rings are commonly used in industrial, automotive, HVAC, and plumbing applications where standard rubber seals would degrade prematurely.</p> <h4>Q: What are the available cross-section (CS) thicknesses for these FKM o-rings?</h4> <p>A: These black FKM rub