FVMQ or Fluorosilicone Rubber

  • Abbreviation: FVMQ
  • ASTM D-2000 Classification: FK
  • Chemical Definition: Fluorovinyl Methyl Silioxane

Physical & Mechanical Properties

  • Durometer or Hardness Range: 35 – 80 Shore A
  • Tensile Strength Range: 200 – 1,500 PSI
  • Elongation (Range %): 100% – 480%
  • Abrasion Resistance: Poor
  • Adhesion to Metal: Good
  • Adhesion to Rigid Materials: Fair to Good
  • Compression Set: Fair to Good
  • Flex Cracking Resistance: Poor to Good
  • Impact Resistance: Poor to Good
  • Resilience / Rebound: Poor to Fair
  • Tear Resistance: Poor to Good
  • Vibration Dampening: Good

Chemical Resistance

  • Acids, Dilute: Excellent
  • Acids, Concentrated: Good
  • Acids, Organic (Dilute): Good
  • Acids, Organic (Concentrated): Fair
  • Acids, Inorganic: Fair
  • Alcohol’s: Fair to Excellent
  • Aldehydes: Poor
  • Alkalies, Dilute: Excellent
  • Alkalies, Concentrated: Good
  • Amines: Poor
  • Animal & Vegetable Oils: Excellent
  • Brake Fluids, Non-Petroleum Based: Poor
  • Diester Oils: Good to Excellent
  • Esters, Alkyl Phosphate: Poor to Fair
  • Esters, Aryl Phosphate: Good to Excellent
  • Ethers Fair
  • Fuel, Aliphatic Hydrocarbon: Excellent
  • Fuel, Aromatic Hydrocarbon: Good to Excellent
  • Fuel, Extended (Oxygenated): Excellent
  • Halogenated Solvents: Good to Excellent
  • Hydrocarbon, Halogenated: Good to Very Good
  • Ketones: Poor
  • Lacquer Solvents: Poor
  • LP Gases & Fuel Oils: Excellent
  • Mineral Oils: Good to Excellent
  • Oil Resistance: Good
  • Petroleum Aromatic: Good
  • Petroleum Non-Aromatic: Good
  • Refrigerant Ammonia: Excellent
  • Refrigerant Halofluorocarbons: R-11, R-12
  • Refrigerant Halofluorocarbons w/ Oil: R-11, R-12
  • Silicone Oil: Excellent
  • Solvent Resistance: Excellent

Thermal Properties

  • Low Temperature Range: -85º F to -70º F
  • Minimum for Continuous Use (Static): -80º F
  • Brittle Point: -85º F
  • High Temperature Range: +400º F to +450º F
  • Maximum for Continuous Use (Static): +450º F

Environmental Performance

  • Colorability: Good to Excellent
  • Flame Resistance: Excellent
  • Gas Permeability: Poor to Good
  • Odor: Good
  • Ozone Resistance: Excellent
  • Oxidation Resistance: Excellent
  • Radiation Resistance: Fair to Excellent
  • Steam Resistance: Fair
  • Sunlight Resistance: Excellent
  • Taste Retention: Good
  • Weather Resistance: Excellent
  • Water Resistance: Excellent

For assistance in identifying the appropriate polymer or material, or to develop and formulate a fluorosilicone rubber compound to meet your specific application and performance requirements, please contact Rahco Rubber, Inc. at sales@rahco-rubber.com or 847-298-4200.

Rahco Rubber, Inc. makes no expressed or implied warranty as to any qualities, attributes, or characteristics of any polymer or material. This information is provided for reference only.