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FVMQ, Fluorosilicone O-Rings & Seals

The common material-name for Fluorosilicone O-Rings is fluorovinylmethyl silicone rubber. Fluorosilicones combine the best properties of fluorocarbons and silicones. Fluorosilicones resist solvents, fuel, and oil (similar to fluorocarbons). This elastomer also has high and low temperature stability (as with silicones). Fluorosilicones are resilient, with low compression set characteristics. Fluorsilicones are widely used in aerospace fuel systems and auto fuel emission controls. High friction tendencies, limited strength, and poor abrasion resistance disqualify them from dynamic uses.

NewDealSeals supplies Fluorosilicone O-rings & FVMQ seals in any dimension and in various compounds. Call +31(0)226362233 or mail us info@newdealseals.com.

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Blue Fluorosilicone o-rings and FVMQ seals

Specifications FVMQ

  • Temperature range:
    -55 to 180 °C
  • Shore:
    30 / 40 / 50 / 60 / 70 / 80 / 90
  • Relative Cost:
    Rating symbol: High
  • Tradenames:
    FE® (Shin-Etsu Silicones), Silastic LS® (Dow Corning Corp.)
  • Common names:
    FVMQ, Fluorosilicone
  • Colours:
    Blue. Other colors on request.

FVMQ Characteristics

Resistance FVMQ
Abrasion Rating symbol: Poor
Acid Rating symbol: Fair to Good
Base Rating symbol: Fair to Excellent
Chemical Rating symbol: Excellent
Cold Rating symbol: Good to Excellent
Flame Rating symbol: Good
Heat Rating symbol: Excellent
Resistance FVMQ
Oil Rating symbol: Good
Ozon Rating symbol: Excellent
Set Rating symbol: Good to Excellent
Steam Rating symbol: Poor
Tear Rating symbol: Poor
Water Rating symbol: Excellent
Weather Rating symbol: Excellent
Propertys FVMQ
Dynamic properties Rating symbol: Poor
Electrical properties Rating symbol: Excellent
Gas impermeability Rating symbol: Poor
Tensile strength Rating symbol: Fair

FVMQ performs well in

  • Fuels
  • Hot air
  • Hydrocarbons (aromatic, chlorinated)
  • Ozone
  • Sunlight
  • Animal & vegetable oils
  • Solvents

FVMQ does not perform well in

  • Brake fluids
  • Hydrazine
  • Ketones

Typical FVMQ Applications

  1. Diesel turbocharger and charge air cool hoses
  2. Exhaust hangers
  3. Wire and cable insulation