GC Ferrules

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With over 20 years of experience, Visacon offers you the highest quality GC Ferrules for your various applications. We offer custom and specialty application ferrules. Our ferrules will work in the following instruments: Agilent (HP), Varian, Bruker, Perkin Elmer, Antek, Carlo Erba, Finnigan (TMQ), Gow Mac , HNU, Shimadzu, SRI, Thermo Scientific, Tracor.


We can provide you with any size ferrule to fit all of your applications. We offer the following materials for ferrules:

  • 60% Polyimide/40% Graphite
  • 85% Polyimide/15% Graphite
  • 100% Graphite
  • 100% Polyimide
  • 100% PTFE

60% Polyimide/40% Graphite Ferrules

  • Stable to 400 &degC
  • Minimal Torque Required to Seal
  • Reusable, One-piece Design, Precision Drilled
  • Excellent for Vacuum & High Pressure Applications
  • Recommended for Mass Spec Transfer Line
  • Offers the Best Combination of Sealing and Easy Workability
  • Ferrules for Capillary and Standard Columns

85% Polyimide/15% Graphite Ferrules

  • Stable to 400 °C
  • Minimal Torque Required to Seal
  • Reusable, One-piece Design, Precision Drilled
  • Excellent for Vacuum & High Pressure Applications
  • Ferrules for Capillary and Standard Columns

100% Graphite Ferrules

  • Stable to 450 °C
  • High Purity Graphite, Preferred for Capillary GC Use
  • High Density Graphite
  • Preconditioned to Eliminate Out-Gassing
  • Contains No Binders that can Out-Gas or Absorb Analytes
  • Smooth & Clean Edges - Better than Conventional Graphite Ferrules
  • Does not stick to Glass or Fused Silica

100% Polyimide Ferrules

  • 350 °C Upper Temperature Limit
  • One Piece Ferrule Design
  • May Bleed at Higher Temperatures
  • Excellent Physical Properties 100% High Temperature Polyimide
  • Does not Cold Flow

100% PTFE Ferrules

  • 250 °C Upper Temperature Limit
  • Non Stick, One Piece Ferrule Design
  • 100% PTFE, Chemically Inert