Catalog Number - 95025-06

The 95025-06 MICROSOLV Headspace Septa are molded grey butyl rubber injection stoppers designed for use with 20 mm crimp‑top headspace caps (sold separately), offering excellent elasticity, sealing performance, and compatibility with injector‑based systems.

These septa are commonly used in PerkinElmer and similar autosampler injectors, providing a cost‑effective, PTFE‑free sealing option for routine headspace GC 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

• Reliable vial sealing

Butyl Rubber Construction – Strong Seal Performance

• Grey molded butyl rubber (no PTFE)

• Provides:

  • Excellent elasticity

  • Tight sealing against vial openings

  • Good resealing after puncture

✅ Ideal for:

• applications requiring PTFE‑free materials

• strong mechanical sealing

Injection Stopper Design – Instrument Compatibility

• Shaped injection stopper geometry

• Commonly used in:

  • PerkinElmer headspace systems

  • Other injector‑based systems

✅ Designed for:

• Reliable needle penetration

• Consistent resealing during injections

Flexible Use – Septa or Stopper

• Can be used as:

  • Crimp cap septa insert

  • Standalone stopper for vial sealing

✅ Provides flexibility across multiple workflows

Septa Characteristics – Durable and Functional

• Molded design provides:

  • Consistent shape and fit

  • Mechanical durability

  • Repeatable performance

✅ Suitable for routine GC headspace applications

Economical Solution – Budget Friendly Option

• Designed as:

  • Low‑cost alternative to laminated septa

• Offers:

  • Strong sealing at reduced cost

✅ Ideal for:

• high‑volume labs

• routine QC testing

• budget‑conscious applications

Packaging

• 100 septa per pack

• Supplied in:

  • Polyethylene bags

✅ Easy handling and storage for routine use

Performance Positioning – PTFE‑Free Budget Option

• Compared to silicone/PTFE:

  • ✅ PTFE‑free

  • ✅ Lower cost

• Compared to laminated butyl/PTFE:

  • ✅ More economical

• Compared to open systems:

  • ✅ Ready‑to‑use stopper format

✅ Ideal for:

• PTFE‑restricted methods

• routine lab workflows

• cost‑sensitive applications

Typical Applications

• Headspace GC analysis

• Pharmaceutical QA/QC

• Environmental testing

• Food and flavor analysis

• PerkinElmer injector workflows

Important Usage Notes

• Designed for:

  • 20 mm crimp caps (sold separately)

• Can be:

  • Inserted into caps or placed directly in vial before crimping

• Butyl-only design:

  • Less inert than PTFE‑lined options

✅ Best suited for:

• economical, PTFE‑free workflow