<h2>Green FKM Fluorine Rubber O-Rings – CS 1.5mm Seals &amp; Gaskets</h2> <p>Keep your plumbing, hydraulic, pneumatic, and mechanical systems leak-free with these premium <strong>Green FKM (Fluorocarbon) Rubber O-Rings</strong>. With a cross-section (CS) of <strong>1.5mm</strong>, these standard ring gaskets are engineered for demanding environments where ordinary rubber simply won't hold up.</p> <h3>Why Choose FKM Fluorine Rubber O-Rings?</h3> <p>FKM (Viton®-type) fluorocarbon rubber is widely regarded as one of the most versatile sealing materials available. These O-rings deliver outstanding performance across a broad range of industrial and household applications thanks to their exceptional material properties:</p> <ul> <li> <strong>High Temperature Resistance:</strong> Maintains integrity across extreme temperature ranges, ideal for engines, machinery, and high-heat plumbing systems.</li> <li> <strong>Chemical Resistance:</strong> Stands up to oils, fuels, hydraulic fluids, and many aggressive chemicals without swelling or degrading.</li> <li> <strong>Wear Resistance:</strong> Durable FKM compound resists abrasion, compression set, and aging for long-lasting sealing performance.</li> <li> <strong>Standard Ring Gasket Shape:</strong> Universally compatible cross-section (CS) of 1.5mm ensures a reliable, consistent seal in standard O-ring grooves.</li> <li> <strong>Distinctive Green Color:</strong> Easily identifiable for quick inventory management and correct installation on the job.</li> </ul> <h3>Key Specifications</h3> <ul> <li> <strong>Material:</strong> FKM Fluorocarbon Rubber</li> <li> <strong>Cross-Section (CS):</strong> 1.5mm</li> <li> <strong>Color:</strong> Green</li> <li> <strong>Shape:</strong> Standard Ring Gasket</li> <li> <strong>Standard:</strong> Standard sizing for broad compatibility</li> <li> <strong>High-Concern Chemicals:</strong> None</li> <li><strong>Made in Mainland China</strong></li> </ul> <h3>Common Applications</h3> <ul> <li>Hydraulic and pneumatic systems</li> <li>Automotive engines and fuel systems</li> <li>Industrial pumps, valves, and fittings</li> <li>Plumbing connections and pipe fittings</li> <li>Chemical processing equipment</li> <li>DIY mechanical and repair projects</li> </ul> <h3>Related Products You May Like</h3> <p>Looking for more hardware and tools for your projects? Check out these items from our store:</p> <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-durable-gold-blade-nut-metal-universal-trimmer-accessories-anti-loosening-line-left-hand-thread-replacement-parts-1">10pcs Durable Gold Blade Nut Metal Universal Trimmer Accessories</a></li> <li><a href="/products/12pcs-16mm-momentary-push-button-switch-1no-metal-2-pin-self-reset">12pcs 16mm Momentary Push Button Switch 1NO Metal 2-Pin Self-Reset</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 CS 1.5mm mean for FKM O-rings?</h4> <p>A: "CS" stands for Cross-Section, which refers to the diameter of the O-ring's circular profile (the thickness of the ring itself). A CS of 1.5mm means each O-ring has a 1.5mm cross-sectional diameter. This measurement is critical for selecting the correct O-ring that will fit snugly in the groove and create an effective seal.</p> <h4>Q: Are these FKM O-rings suitable for use with fuels and oils?</h4> <p>A: Yes. FKM (Fluorocarbon) rubber is specifically known for its excellent resistance to petroleum-based fuels, oils, hydraulic fluids, and many solvents. These green FKM O-rings are well-suited for automotive fuel systems, hydraulic circuits, and oil-handling equipment where standard rubber seals may fail.</p> <h4>Q: What temperature range can these FKM rubb