Catalog Number - 95025-08

The 95025-08 BASIK Headspace Septa are a made‑to‑order, ultra‑high purity solution, featuring white silicone rubber laminated with ultra‑clean white PTFE, engineered for ultra‑low bleed performance and minimal extractables.

Designed for use with 20 mm crimp‑top headspace caps (sold separately), these septa are ideal for trace‑level and high‑sensitivity GC headspace methods, where baseline cleanliness and analytical accuracy are critical.

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 high‑purity workflows

Designed for 20 mm Crimp Caps

• Diameter: 20 mm septa

• Compatible with:

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

✅ Ensures:

• Proper fit

• Consistent sealing performance

Ultra Low Bleed Silicone/PTFE – Maximum Purity

• White silicone rubber / white PTFE

• Manufactured using a proprietary ultra‑clean process

• Provides:

  • Ultra‑low bleed

  • Minimal extractables

  • High chemical inertness

✅ Ideal for:

• trace‑level analysis

• high‑sensitivity GC methods

• regulated environments

Soft Septa – Easy Needle Penetration

• Durometer: 45 Shore A (soft formulation)

• Septa thickness: 3.0 mm

• Provides:

  • Reduced needle resistance

  • Smooth penetration

  • Lower needle wear

✅ Improves:

• autosampler precision

• instrument longevity

Wide Temperature Range – Headspace Ready

• Operating range:

  • -60°C to 200°C

✅ Suitable for:

• Heated headspace GC

• VOC and semi‑volatile compound analysis

• Broad analytical method conditions

Septa Characteristics – Reliable & Repeatable

• Provides:

  • Excellent resealing after puncture

  • Stable multi‑injection performance

  • Consistent barrier properties

✅ Ideal for extended autosampler runs

Bulk Packaging – High Throughput Efficiency

• 1000 septa per case

• Supplied in:

  • Polyethylene bags

• Designed for:

  • High‑volume laboratories

  • Routine production environments

✅ Improves:

• inventory control

• operational efficiency

Performance Positioning – Ultra Low Bleed Premium Option

• Compared to standard silicone/PTFE:

  • ✅ Lower bleed

  • ✅ Cleaner baselines

• Compared to butyl/PTFE:

  • ✅ Higher chemical inertness

• Compared to fully laminated standard options:

  • ✅ Optimized for trace sensitivity

✅ Ideal for:

• trace analysis laboratories

• pharmaceutical QA/QC

• environmental VOC testing

• high‑sensitivity GC applications

Typical Applications

• Trace‑level headspace GC analysis

• Pharmaceutical QA/QC and validation

• Environmental VOC testing

• Food and flavor analysis

• Regulatory and research laboratories

Important Usage Notes

• Designed for:

  • 20 mm crimp caps (sold separately)

• Ensure:

  • Proper insertion into caps prior to crimping

✅ Best suited for:

• high‑purity, high‑sensitivity 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: