Catalog Number - 95025-15-1S

The 95025-15-1S BASIK Headspace Caps are a made‑to‑order configuration designed for high‑temperature headspace GC applications, featuring silicone rubber combined with aluminum foil septa for enhanced thermal resistance and durability under demanding analytical conditions.

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, leak‑resistant seal for volatile samples.

✅ Recommended for validated, high‑temperature analytical methods

• Crimp Caps with Silicone / Foil Septa

Silicone Rubber / Aluminum Foil Septa – High Temperature Performance

• Silicone rubber with aluminum foil barrier

• Provides:

  • Excellent heat resistance

  • Strong mechanical durability

  • Enhanced barrier protection

✅ Ideal for high‑temperature headspace GC workflows

Optimized for Elevated Temperature Applications

• Operating range:

  • -60°C to 220°C

• Suitable for:

  • High‑temperature headspace analysis

  • Thermally demanding sample matrices

✅ Ensures stable performance under extreme conditions

Durable Septa Construction – Balanced Strength & Flexibility

• Septa thickness: 2.5 mm

• Durometer: 50 Shore A

• Provides:

  • Good resealing after injection

  • Strong resistance to deformation

  • Reliable multi‑injection performance

✅ Suitable for repeated injections in harsh conditions

10 mm Center Hole – Autosampler Compatibility

• Open center design allows:

  • Smooth, consistent needle entry

  • Reduced septa stress

✅ Supports efficient automated headspace sampling

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 results

Instrument Compatibility

• Commonly used with:

  • PerkinElmer headspace systems

✅ Suitable for instrument‑specific and validated methods

Positioning – Cost‑Effective High‑Temperature Option

• Compared to thicker foil systems:

  • ✅ More economical

• Compared to silicone/PTFE:

  • ✅ Higher temperature capability

• Compared to butyl:

  • ✅ Better thermal durability

✅ Ideal for:

• high‑temperature applications requiring durability without premium cost

Typical Applications

• High‑temperature headspace GC analysis

• Pharmaceutical and materials testing

• Environmental VOC analysis

• PerkinElmer system workflows

• Specialty analytical methods

Important Usage Notes

• Requires 20 mm crimping tool for proper sealing

• Confirm specifications prior to ordering

• Best suited for:

  • high‑temperature, specialized analytical 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: