Fluororubber High-Temperature Gaskets: A Comprehensive Overview Fluororubber (FKM) high-temperature gaskets are specialized sealing components designed to withstand extreme thermal, chemical, and mechanical stresses in demanding industrial applications. These gaskets are crafted from fluorocarbon elastomers, a class of synthetic rubber renowned for their exceptional resistance to heat, oils, fuels, acids, and aggressive chemicals. Their unique properties make them indispensable in industries such as aerospace, automotive, oil and gas, chemical processing, and power generation. Key Properties and Advantages 1. High-Temperature Resistance Fluororubber gaskets excel in environments with continuous exposure to temperatures ranging from -20°C to +200°C (-4°F to +392°F), with some formulations capable of enduring short-term peaks up to 300°C (572°F). This makes them ideal for applications involving hot fluids, steam, or exhaust systems where traditional elastomers would degrade. 2. Chemical and Solvent Resistance FKM exhibits outstanding resistance to a wide range of chemicals, including hydrocarbons, fuels, acids, and alkalis. Unlike other rubbers, fluororubber does not swell or deteriorate when exposed to aggressive media, ensuring long-term sealing integrity. 3. Durability and Compression Set Resistance These gaskets maintain their elasticity and sealing force even after prolonged compression, preventing leaks in high-pressure systems. Their low gas permeability further enhances performance in vacuum or gas-handling applications. 4. Mechanical Strength Fluororubber gaskets offer excellent tensile strength and abrasion resistance, making them suitable for dynamic applications where mechanical wear is a concern. Common Applications - Automotive: Used in fuel systems, turbochargers, and engine gaskets due to their resistance to oil and high heat. - Aerospace: Employed in fuel and hydraulic systems where reliability under extreme conditions is critical. - Oil & Gas: Ideal for sealing pipelines, valves, and pumps handling corrosive fluids and high-pressure gases. - Chemical Processing: Used in reactors, pumps, and flanges exposed to aggressive acids or solvents. Customization and Variants Fluororubber gaskets can be tailored in hardness (Shore A 50–90), thickness, and shape (e.g., sheets, O-rings, or custom-cut profiles) to meet specific requirements. Special formulations may include improved low-temperature flexibility or enhanced flame retardancy. Conclusion Fluororubber high-temperature gaskets are a premium sealing solution for extreme environments, combining thermal stability, chemical resistance, and mechanical durability. Their versatility and reliability make them a preferred choice for industries where failure is not an option. Proper material selection and design ensure optimal performance, extending equipment lifespan and reducing maintenance costs.