Fluorosilicone O-Rings are high-performance sealing components that combine the temperature resistance of silicone with the fuel and oil resistance of fluorocarbons. These advanced sealing solutions are crucial for maintaining the integrity and efficiency of various systems, particularly in applications requiring resistance to extreme temperatures, fuels, and aggressive chemicals.
Fluorosilicone O-Rings Material Properties
- Temperature Range
- Excellent performance from -100°F to 350°F (-73°C to 177°C)
- Maintains flexibility at extremely low temperatures
- Chemical Resistance
- Superior resistance to fuels, oils, and solvents
- Good performance with aromatics and chlorinated hydrocarbons
- Weather and Ozone Resistance
- Excellent resistance to weathering, UV radiation, and ozone
- Ideal for outdoor and exposed applications
- Low-Temperature Flexibility
- Retains elasticity and sealing ability at very low temperatures
- Outperforms many other elastomers in cryogenic applications
- Compression Set Resistance
- Good ability to return to original shape after compression
- Ensures long-term sealing effectiveness in various applications
Industries Served by Fluorosilicone O-Rings
- Aerospace: Fluorosilicone O-Rings are extensively used in aircraft fuel systems, hydraulic systems, and other applications exposed to jet fuels and extreme temperatures.
- Automotive: The automotive industry uses Fluorosilicone O-Rings in fuel systems, especially in high-performance and racing applications where exposure to aggressive fuels is common.
- Military and Defense: In military equipment, Fluorosilicone O-Rings provide reliable sealing in extreme environments and exposure to various fuels and chemicals.
- Oil and Gas: The oil and gas industry utilizes Fluorosilicone O-Rings in equipment exposed to a wide range of hydrocarbons and extreme temperatures.
- Chemical Processing: In chemical processing equipment, Fluorosilicone O-Rings offer good resistance to many aggressive chemicals and solvents.
End Applications for Fluorosilicone O-Rings
- Aircraft Fuel Systems: Fluorosilicone O-Rings provide reliable sealing in aircraft fuel tanks, pumps, and lines, resisting degradation from jet fuels and aviation hydraulic fluids.
- Automotive Fuel Injection: In high-performance engines and racing applications, Fluorosilicone O-Rings offer excellent sealing against aggressive racing fuels and additives.
- Military Vehicle Sealing: Fluorosilicone O-Rings are used in military vehicles for fuel system sealing and other applications requiring resistance to a wide range of fluids and temperatures.
- Cryogenic Equipment: In low-temperature applications, Fluorosilicone O-Rings maintain flexibility and sealing properties where other elastomers would become brittle.
- Chemical Transfer Systems: Fluorosilicone O-Rings provide effective sealing in pumps and valves handling a variety of chemicals and solvents.
- Outdoor Electrical Enclosures: In electrical applications exposed to harsh weather and chemicals, Fluorosilicone O-Rings offer excellent sealing and environmental resistance.
Fluorosilicone O-Rings Frequently Asked Questions (FAQs)
1. How do Fluorosilicone O-Rings compare to Viton in terms of fuel resistance?
While both offer excellent fuel resistance, Fluorosilicone generally performs better at lower temperatures, while Viton may have an edge at higher temperatures.
2. Can MCD provide custom Fluorosilicone O-Ring sizes and compounds?
Yes, we offer custom Fluorosilicone O-Ring solutions, including non-standard sizes and specialized compounds for unique application requirements.
3. Are Fluorosilicone O-Rings suitable for use with biodiesel fuels?
Fluorosilicone O-Rings generally have good compatibility with biodiesel fuels, but performance can vary depending on the specific biodiesel composition.
4. How do Fluorosilicone O-Rings perform in terms of compression set?
Fluorosilicone O-Rings have good compression set resistance, especially at low temperatures, making them suitable for both static and dynamic sealing applications.
5. Can Fluorosilicone O-Rings be used in applications requiring FDA compliance?
Some Fluorosilicone compounds are available that comply with FDA regulations. Consult with our team to select the appropriate FDA-compliant grade for your food or pharmaceutical application.
