Ferrules for GC and GCMS

Vespel®/Graphite
Choose between:
85% Polyimide (Vespel®) /15% Graphite Ferrules
or
60% Polyimide (Vespel®) /40% Graphite Ferrules
• Stable to 400°C
• 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
• Packaged in “Ultra Clean” Glass Bottles
• Ferrules for Capillary and Standard Columns
• Choose "short" ferrules for Agilent Injectors and Detectors (FID, NPD, ECD)

Graphite
• 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• Packaged in “Ultra Clean” Glass Bottles
• Choose "short" ferrules for Agilent Injectors and Detectors (FID, NPD, ECD)

Vespel®
100% Polyimide (Vespel®) Ferrules
• 350° C Upper Temperature Limit. One Piece Ferrule Design
• May Bleed at Higher Temperatures
• Excellent Physical Properties 100% High Temperature Polyimide (Vespel®)
• Does not Cold Flow
• Packaged in “Ultra Clean” Glass Bottles

Teflon®
• 250° C Upper Temperature Limit
• Non Sticking. One Piece Ferrule Design
• 100% Teflon® (PTFE). Chemically Inert
• Packaged in “Ultra Clean” Glass Bottles