Fluorosilicone combines the good high and low temperature stability of Silicones with the fuel, oil, and solvent resistance of Fluorocarbons.
Fluorosilicone is most often used in aerospace applications for systems requiring fuel and/or diester-based lubricant resistance up to 400°F. Although generally specified for aerospace use, due to its excellent fuel resistance and high temperature stability, Fluorosilicone is also becoming an increasingly popular material for a wider range of sealing applications. It features good compression set and resilience properties, Fluorosilicone compounds are suitable for exposure to air, sunlight, Ozone, Chlorinated and aromatic hydrocarbons.
General specifications (actual specifications may vary)
ASTM D1418 Designation
- FVMQ
Standard Colour
- Blue / Light Blue
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Due to limited physical strength, poor abrasion resistance, and high friction characteristics, these elastomers are not generally recommended for dynamic sealing. They are predominately designed for static sealing use. They are also not recommended for exposure to brake fluids, hydrazine, or ketones.