Catalog Number - 95025-26-1D

The 95025-26-1D BASIK Headspace Caps are designed specifically for SPME (Solid Phase Micro‑Extraction) workflows, featuring a special‑shape silicone/PTFE septa that combines enhanced sealing with reduced penetration resistance.

These caps are fitted in 20 mm magnetic steel (gold) crimp caps with an 8 mm center hole, ensuring reliable autosampler compatibility, easy handling, and consistent performance in automated headspace systems.

SPME‑Style Septa – Optimized for Fiber Protection

• Dual‑profile septa design:

  • 3.0 mm thick outer ring for sealing

  • 1.5 mm thinner center zone for penetration

• Provides:

  • Easier needle/fiber entry

  • Reduced risk of broken or damaged SPME fibers

  • Improved injection consistency

✅ Ideal for SPME autosampler workflows

High Purity Silicone/PTFE Septa – Clean Performance

• White silicone rubber / blue PTFE

• Provides:

  • Good chemical inertness

  • Reduced extractables

  • Clean baseline performance

✅ Suitable for routine to sensitive GC headspace analysis

Magnetic Steel Caps – Automation Compatible

• Steel caps with magnetic properties

• Enables:

  • Robotic handling

  • Smooth operation in autosamplers

• Gold finish:

  • Enhances visibility

  • Improves corrosion resistance

✅ Compatible with:

• CTC PAL® autosamplers

• Other SPME‑capable systems

8 mm Center Hole – Balanced Access & Sealing

• Provides:

  • Sufficient sealing surface area

  • Easy autosampler access

• Works in tandem with SPME septa design

✅ Optimized for SPME fiber insertion and sealing reliability

Wide Temperature Range – Headspace Ready

• Operating range:

  • -60°C to 200°C

✅ Suitable for:

• Heated headspace GC

• VOC and semi‑volatile analysis

• SPME workflows under thermal conditions

Crimp Top Design – Secure Seal Integrity

• 20 mm magnetic steel crimp cap

• Provides:

  • Airtight sealing

  • Reduced evaporation

  • Reliable volatile sample containment

✅ Essential for accurate headspace GC/SPME analysis

Designed for 20 mm Headspace Vials

• Compatible with:

  • 20 mm crimp‑top headspace vials

✅ Ensures:

• Proper fit

• Consistent analytical performance

Performance Positioning – SPME Specialized Option

• Compared to standard septa:

  • ✅ Reduced fiber damage

  • ✅ Easier penetration

• Compared to flat thin septa:

  • ✅ Better sealing (reinforced outer ring)

• Compared to non‑magnetic caps:

  • ✅ Automated handling capability

✅ Ideal for:

• SPME workflows

• CTC PAL® systems

• high‑throughput GC labs

Typical Applications

• SPME headspace GC analysis

• Environmental VOC testing

• Food and flavor analysis

• Pharmaceutical QA/QC

• Automated sampling workflows

Important Usage Notes

• Requires 20 mm crimping tool for proper sealing

• Designed specifically for:

  • SPME fiber injection systems

• Magnetic caps:

  • Require compatible autosampler systems

✅ Best suited for:

• SPME‑specific analytical methods requiring durability and precision