Septa Selection Guide

Septa

 

 

 

Considerations

  • Instrument
  • Size
  • Material – Low bleed, soft, long lasting

SGE Septa Types

  • CS - Low cost (200° C) - PTFE coated
  • TCS - Medium temp (280° C) - 3 layers - PTFE coated
  • Auto-Sep™ - High volume use (320° C) - Silicone
  • Auto-Sep T™ - High volume use (350° C) - PTFE coated silicone
  • HT - High temperature and low bleed
  • EC - Low temperature applications, high volume autosamplers
  • Enduro Blue - For Shimadzu GC’s (350° C) - High temperature silicone

 


CS Septa
Low temperature applications

   
 Material:  PTFE coated silicone
 Durability:  Good
 Resealing:  Good
 Solvent Resistance:  Excellent
 Tear Resistance:  Good
 Maximum Temperature:  200°C

 

 



TCS Septa
Medium/High temperature applications

 

 

   
 Material:  PTFE coated triple layer silicone
 Durability:  Good
 Resealing:  Very Good
 Solvent Resistance:  Excellent
 Tear Resistance:  Very Good
 Maximum Temperature:  280°C

 

 


 

Auto-Sep™ Septa
High volume autosampler and manual use

   
 Material:  Silicone
 Durability:  Excellent
 Resealing:  Excellent
 Solvent Resistance:  Excellent
 Tear Resistance:  Excellent
 Maximum Temperature:  320°C

 

 


 

Auto-Sep T™ Septa
Temperature Programmable Injectors, high volume autosamplers

   
 Material:  PTFE coated silicone
 Durability:  Excellent
 Resealing:  Excellent
 Solvent Resistance:  Excellent
 Tear Resistance:  Excellent
 Maximum Temperature:  350°C

 

 


 

HT Septa
Bleed and temperature optimized, combined with outstanding mechanical properties for the highest temperature applications. Retains softness and pierceability at high temperatures, and low injection port adhesion.

 HT septa  
 Material:  BTO silicone
 Durability:  Excellent
 Resealing:  Excellent
 Solvent Resistance:  Excellent
 Tear Resistance:  Excellent
 Maximum Temperature:  400°C

 

 


 

EC Septa
Combines significantly longer injection life, low bleed and low injection port adhesion.

 EC septa  
 Material:  High temperature silicone
 Durability:  Excellent
 Resealing:  Excellent
 Solvent Resistance:  Excellent
 Tear Resistance:  Excellent
 Maximum Temperature:  400°C

 

 


 

Enduro™ Blue Septa
For Shimadzu GC's

   
 Material:  High temperature silicone
 Durability:  Excellent
 Resealing:  Excellent
 Solvent Resistance:  Excellent
 Tear Resistance:  Excellent
 Maximum Temperature:  350°C