Catalog Number - 95025-14-1S

The 95025-14-1S BASIK Headspace Caps are a made‑to‑order, high‑temperature solution designed for demanding headspace GC applications, featuring natural silicone rubber with aluminum foil septa for enhanced thermal resistance and durability.

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 under elevated temperature conditions.

✅ Recommended for validated methods requiring high‑temperature septa performance

• Crimp Caps with Silicone / Foil Septa

Silicone Rubber / Aluminum Foil Septa – High Temperature Durability

• Natural silicone rubber with aluminum foil barrier (125 mil)

• Provides:

  • Exceptional heat resistance

  • Strong physical durability

  • Barrier protection for demanding conditions

✅ Ideal for high‑temperature headspace GC applications

Optimized for Elevated Temperature Workflows

• Operating range:

  • -60°C to 220°C

• Suitable for:

  • High‑temperature headspace analysis

  • Thermally demanding sample matrices

✅ Ensures performance stability under extreme conditions

Mechanical Strength & Sealing Performance

• Septa thickness: 3.0 mm

• Durometer: 50 Shore A

• Provides:

  • Strong sealing integrity

  • Good resistance to deformation

  • Durable performance during injection

✅ Suitable for repeat injections in high‑temperature environments

10 mm Center Hole – Autosampler Compatibility

• Open center design allows:

  • Consistent needle access

  • Reduced septa stress

✅ Supports automated headspace systems

Crimp Top Design – Secure Seal Integrity

• 20 mm aluminum crimp cap

• Provides:

  • Airtight sealing

  • Reduced evaporation

  • Reliable containment of volatile compounds

✅ Critical 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

Instrument Compatibility

• Commonly used with:

  • PerkinElmer headspace systems

✅ Suitable for instrument‑specific or validated workflows

Positioning – Specialty High‑Temperature Option

• Compared to silicone/PTFE:

  • ✅ Higher temperature tolerance

• Compared to butyl systems:

  • ✅ Stronger mechanical and thermal durability

✅ Ideal for:

• specialized, high‑temperature analytical methods

Typical Applications

• High‑temperature headspace GC analysis

• Pharmaceutical and materials testing

• Environmental VOC analysis under elevated conditions

• Instrument‑specific workflows (e.g., PerkinElmer systems)

• Specialty analytical methods

Important Usage Notes

• Requires 20 mm crimping tool for proper sealing

• Confirm specifications before ordering

• Best suited for:

  • high‑temperature or specialized 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: