Catalog Number - 95025-23

The 95025-23 BASIK Headspace Septa are a made‑to‑order septa solution designed for 20 mm crimp‑top headspace caps (sold separately). These septa combine white silicone rubber with blue PTFE foil, offering durable construction, good chemical resistance, and reliable sealing performance for routine to higher‑temperature GC headspace methods.

Custom Order Item – Critical Notice

• 🚨 Made‑to‑order product

• Non‑returnable and non‑cancelable once ordered

• May require:

  • Lead time

  • Availability confirmation

✅ Recommended for validated workflows requiring specific silicone/PTFE configurations

Designed for 20 mm Crimp Caps

• Diameter: 20 mm septa

• Compatible with:

  • 20 mm aluminum or steel crimp caps (sold separately)

✅ Ensures:

• Proper fit

• Reliable and consistent sealing

Silicone/PTFE Foil Construction – Balanced Performance

• White silicone rubber / blue PTFE foil

• Provides:

  • Good chemical inertness

  • Reduced sample interaction

  • Durable sealing performance

✅ Suitable for:

• routine headspace GC methods

• moderate to higher‑temperature applications

Durable Septa Characteristics

• Thickness: 3.0 mm

• Durometer: 50 Shore A (firmer formulation)

• Provides:

  • Increased mechanical strength vs. softer septa

  • Controlled needle penetration

  • Reliable resealing across multiple injections

✅ Ideal for repeat injection workflows and robust applications

Wide Temperature Range – Headspace Ready

• Operating range:

  • -60°C to 200°C

✅ Suitable for:

• Heated headspace GC

• VOC and semi‑volatile compound analysis

• Methods requiring durable septa under temperature cycling

Septa Performance – Reliable & Repeatable

• Provides:

  • Consistent barrier performance

  • Stable injection reproducibility

  • Good resistance to deformation

✅ Designed for routine to moderately demanding analytical workflows

Bulk Packaging – High Throughput Efficiency

• 1000 septa per case

• Supplied in:

  • Polyethylene bags

• Designed for:

  • High‑volume laboratories

  • Production and QC environments

✅ Improves:

• Inventory control

• Workflow efficiency

Performance Positioning – Durable Silicone/PTFE Option

• Compared to softer 45 Shore A septa:

  • ✅ Greater durability

  • ✅ Longer usable life

• Compared to butyl/PTFE:

  • ✅ Higher temperature tolerance

  • ✅ Improved chemical inertness

• Compared to fully laminated premium types:

  • ✅ More economical

✅ Ideal for:

• routine QC laboratories

• higher‑temperature workflows

• cost‑balanced performance applications

Typical Applications

• Headspace GC analysis

• Pharmaceutical QA/QC

• Environmental VOC testing

• Food and flavor analysis

• Routine to moderately demanding lab workflows

Important Usage Notes

• Designed for:

  • 20 mm crimp caps (sold separately)

• Ensure:

  • Proper septa insertion prior to crimping

✅ Best suited for:

• durable, general‑purpose headspace GC 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: