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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
- Long life septa, pre-pierced for minimal coring.
- Typically achieves up to 400 injections without failure.
- Packaged in blister packs (PK24,25) and glass jars (PK50,100) for purity.
Recommended applications
Ideal for standard manual injection GC and GC/MS.
Product specifications
Sizes available (mm): 5, 9, 11, 11.5, 12.7, 17, and Shimadzu plug style.
- Material: Silicone
- Durability: Excellent
- Resealing: Excellent
- Solvent resistance: Good
- Tear resistance: Excellent
- Maximum injector temperature: 300°C for 17 mm size, 350°C for all other sizes
More
Please refer to the part number list for more items.
- Brochure - CRS GC septa [PDF]
- Product Data Sheet - CRS Marathon GC septa [PDF]
- Part Number List - CRS Marathon GC septa [PDF]
For technical information such as manuals and MSDS please visit chromres.com/resources.
More information:
3 products
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Part Number List - CRS Marathon long-life GC septa
Collections: All, Analytical, CRS GC septa, CRS Marathon GC septa, Introducing the CRS range of products to the Trajan portfolio, Literature - All, Literature - Analytical, Part Number Lists, Select by instrument - Analytical, Septa, Support items

Product Data Sheet - CRS Marathon long-life GC septa
Collections: All, Analytical, CRS GC septa, CRS Marathon GC septa, Introducing the CRS range of products to the Trajan portfolio, Literature - All, Literature - Analytical, Product Data Sheets, Select by instrument - Analytical, Septa, Support items
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Brochure - CRS GC septa
Collections: All, Analytical, Brochures, CRS AG3 (Advanced Green 3) GC septa, CRS BTO® (Bleed temperature optimized) GC septa, CRS Endura-Seal GC septa, CRS GC septa, CRS GP (General purpose) blue GC septa, CRS Marathon GC septa, CRS Puresep T GC septa, Introducing the CRS range of products to the Trajan portfolio, Literature - All, Literature - Analytical, Select by instrument - Analytical, Septa, Support items