Catalog Number - 95025-10-1S

The 95025-10-1S BASIK Headspace Caps are a made‑to‑order, ultra‑high purity solution designed for demanding headspace GC applications, featuring blue silicone rubber / white PTFE septa engineered for exceptionally low bleed and ultra‑low extractables.

These caps are fitted in 20 mm aluminum crimp closures with a 10 mm center hole, providing consistent autosampler needle access while maintaining a secure seal for volatile sample integrity.

✅ Recommended for validated, high‑sensitivity analytical workflows

Ultra‑Soft Silicone/PTFE Septa – Maximum Penetration Ease

• Blue silicone rubber / white PTFE construction

• Durometer: 35 Shore A (very soft)

• Thickness: 3.0 mm

• Provides:

  • Extremely low needle resistance

  • Reduced needle wear

  • Smooth, consistent penetration

✅ Ideal for high‑throughput autosampler systems and delicate needle systems

Ultra Low Bleed – High Purity Performance

• Proprietary processing for:

  • Ultra‑low bleed

  • Minimal extractables

  • High chemical purity

✅ Excellent for:

• Trace‑level analysis

• GC methods sensitive to contamination

Wide Temperature Range – Headspace Ready

• Operating range:

  • -60°C to 200°C

✅ Suitable for:

• Heated headspace GC

• VOC and semi‑volatile analysis

• Broad method compatibility

10 mm Center Hole – Optimized Autosampler Access

• Open center design allows:

  • Consistent needle entry

  • Reduced septa deformation

✅ Enhances injection reproducibility and system reliability

Crimp Top Design – Secure Seal Integrity

• 20 mm aluminum crimp cap

• Provides:

  • Airtight sealing

  • Reduced evaporation

  • Reliable containment of volatile samples

✅ Essential for accurate headspace GC analysis

Designed for 20 mm Headspace Vials

• Compatible with:

  • 20 mm crimp‑top headspace vials

✅ Ensures:

• Proper fit

• Consistent analytical performance

Positioning – Ultra‑Soft, Premium Sensitivity Option

• Compared to standard silicone/PTFE:

  • ✅ Easier needle penetration

  • ✅ Lower injection force

• Compared to firmer septa:

  • ✅ Better autosampler compatibility

  • ✅ Reduced wear on instrumentation

✅ Ideal for:

• Highly sensitive methods

• High‑throughput labs prioritizing injection reliability

Typical Applications

• High‑sensitivity headspace GC analysis

• Pharmaceutical QA/QC and validation

• Environmental VOC testing

• Food and flavor analysis

• Trace‑level contaminant detection

Important Usage Notes

• Requires 20 mm crimping tool for proper sealing

• Very soft septa:

  • Improves penetration

  • May reduce durability in extreme multi‑injection scenarios

✅ Best suited for:

• High‑precision and high‑throughput workflows

Made‑to‑Order & Pricing Information

This is a custom, made‑to‑order item.

• Please contact Customer Service for formal quotation, lead time, and ordering assistance. Classification: