CRS Puresep T GC septa

CRS GC septa

Give your GC the seal of approval

Desired septa attributes:

  • Reliably seal against the carrier gas pressure in the inlet.
  • Capable of being pierced and resealed time after time without pieces of the septa being deposited in the GC inlet system.
  • Does not contaminate or bleed material into the chromatographic system.

Features and benefits

  • Silicone-based septum faced on one side with a double layer of polyimide and PTFE.
  • The polyimide adheres to both the silicone and the PTFE, providing a better bond and enhanced durability
  • The outer PTFE coating assures maximum inertness and helps minimize bleed.

Recommended applications

Low temperature.

Product specifications

Sizes available (mm): 6.4, 9.5, 11, 11.5, 12.7.

  • Material: Silicone/PTFE
  • Durability: Good
  • Resealing: Good
  • Solvent resistance: Good
  • Tear resistance: Good
  • Maximum injector temperature: 225°C


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