Fluorosilicone rubber (FVMQ) combines the best attributes of conventional silicone elastomers with enhanced resistance to fuels, oils, and solvents—making it uniquely suited for demanding environments where standard silicones fall short. By replacing a portion of methyl groups in the polymer backbone with trifluoropropyl groups, fluorosilicone achieves significantly improved stability when exposed to hydrocarbons, jet fuels, lubricants, and many organic chemicals. Yet, it retains the inherent advantages of silicone: wide service temperature range (typically from -60°C to +200°C), excellent electrical insulation, UV/ozone resistance, and long-term flexibility. This dual-nature performance profile positions fluorosilicone as a critical material in aerospace seals, automotive fuel systems, and industrial gaskets operating in chemically aggressive settings.

Despite its specialized formulation, fluorosilicone rubber maintains good processability and mechanical properties comparable to high-quality silicone rubbers. It can be compression-molded, injection-molded, or extruded into complex shapes such as O-rings, diaphragms, and custom sealing profiles. Its low compression set ensures reliable sealing force over time, even after repeated exposure to swelling agents. Moreover, fluorosilicone exhibits minimal volume change when immersed in aviation fuels or synthetic lubricants—a key requirement for components that must maintain dimensional integrity under dynamic conditions. While it is not intended for use in highly polar solvents like ketones or brake fluids, its targeted chemical resistance fills a crucial niche between standard silicone and more rigid fluoroelastomers like FKM.

From a forward-looking perspective, fluorosilicone rubber supports the growing need for materials that deliver both environmental resilience and operational safety without compromising on manufacturability. It is free of hazardous additives, complies with numerous aerospace and automotive material standards, and contributes to system reliability by reducing the risk of seal degradation or leakage. As industries advance toward cleaner fuels, electrified propulsion, and more compact fluid-handling systems, the demand for elastomers that bridge thermal flexibility and chemical inertness continues to rise. In this evolving landscape, fluorosilicone rubber stands out—not as a universal solution, but as a precision-engineered material where performance at the intersection of heat, cold, and chemistry truly matters.

Methyl vinyl silicone Gum, plz check MY3110