FVMQ - Fluorosilicone (FVMQ)

Clwyd reference FVMQ
ASTM classification FVMQ
Typical applications
  • Static applications
  • Aircraft seals
Advantages
  • Similar to Silicone but with enhanced resistance to hydrocarbon fuels and petroleum oils
  • Excellent stability over extreme temperatures
  • Good flame and water resistance
Disadvantages
  • Poor hot air resistance
  • Poor physical characteristics (tear and abrasion)
Available hardness range (Shore A) 25 - 85
Upper continuous service temp. 225°C
Min. temp. for sealing applications -60°C
Minimum non-brittle  temp.  -80°C
Tensile strength (up to) 9 MPa
Elongation at break (up to) 400%
Price Bracket Medium
ASTM 1 Oil Excellent
ASTM 2 Oil Excellent
ASTM 3 Oil Excellent
Kerosene Excellent
Liquid B Average
Liquid 101 Excellent
Phosphate ester None
Ketone None
Toluene Good
Iso-octane Excellent
Methanol Excellent
Acid (weak) Average
Acid (strong) None
Base (weak) Average
Base (strong) None
Hydrogen sulphide Average
Steam None
Ozone Excellent
Radiation Average
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