Fluorosilicone

Fluorosilicone combines the good high and low temperature stability of Silicones with the fuel, oil, and solvent resistance of Fluorocarbons.


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.

Please note: This Material Data Sheet section is to be used as a professional guide only. Eastern Seals (UK) Ltd may source their products from a variety of Quality Approved Suppliers and the data shown should not be relied upon by any purchaser without verification of material source.

 

ES REF
Colour
Temp Range
Hardness
Notes
Data Sheet
F60 BLUE 60 Fluorosilicone 60 shore for general use.
F70 BLUE -55°C to +205°C 70 Fluorosilicone 70 shore for general use. XNBR70 Data Sheets download
F70
F80 BLUE -60°C to +177°C 80 Fluorosilicone 80 shore for general use.
F70 MIL-SPEC BLUE -60°C to +177°C 70 This compound meets MIL-DTL-25988C XNBR70 Data Sheets download
F70 MIL-SPEC

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