CUSTOM ITEM: Septa, 9mm, White Silicone Rubber / Natural PTFE that is 0.040" thick and 0.346" diameter for use in 9-425mm thread caps. Caps sold separately. BASIK Brand. 1000/CS. BULK PRICING.

Additional Info:

Replacement septa are used to maintain sealing performance and extend the usability of autosampler caps in routine and specialized workflows.

The 96009‑10‑3010 septa are constructed from white silicone rubber with a natural (undyed) PTFE surface, providing chemical resistance and reliable sealing for HPLC and GC applications. The natural PTFE offers the same durability and inert properties as dyed PTFE without added colorants, supporting clean analytical results.

Designed for 9 mm caps used with 9‑425 thread vials, these septa provide consistent fit and dependable performance across common autosampler configurations.


Key Features & Benefits

  • PTFE/silicone septa ✅ Chemical resistance and sample protection

  • Natural PTFE (undyed) ✅ Inert with no added dyes

  • 0.040" thickness ✅ Balanced penetration and resealing performance

  • 9 mm diameter ✅ Compatible with 9‑425 caps

  • Suitable for HPLC and GC ✅ Broad application compatibility


Typical Applications

  • HPLC analysis

  • GC workflows

  • Replacement septa for 9‑425 caps

  • Routine laboratory testing


Important Notes

  • For use with 9 mm caps compatible with 9‑425 thread vials

  • Caps sold separately

  • Suitable for multiple injections depending on application

  • This and other custom items are Custom Ordered and require


Custom Item Pricing Information

Custom Order Item. Inquire for more information.

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