Catalog Number - 9502S-E-10C-B

The 9502S‑E‑10C‑B Screw Caps feature bonded Soft‑Guard™ white silicone / red PTFE septa integrated into a durable knurled polypropylene cap, designed for 9‑425 thread autosampler vials (12 × 32 mm).

Engineered for routine and high‑throughput chromatography, these caps provide reliable sealing, smooth needle penetration, and strong resealing performance, ensuring consistent analytical results.

✅ One of MICROSOLV’s most widely used screw caps for HPLC and LC‑MS applications

Soft‑Guard™ Septa – Reduced Coring & Improved Reliability

• Bonded silicone/PTFE septa construction reduces:

  • Septum coring

  • Missed injections

  • Autosampler downtime

• Provides:

  • Smooth, controlled needle penetration

  • Improved resealing after multiple injections

✅ Enhances data consistency and instrument uptime

Optimized Septa Specifications

• Durometer: 40–50 Shore A

• Thickness: 0.040 in ± 0.003 in

✅ Balanced design delivers:

• Compatibility with autosampler needles

• Durability for multi‑injection workflows

9‑425 Cap Format – Broad Instrument Compatibility

• Fits 9‑425 thread autosampler vials

• Designed for 12 × 32 mm vials

Compatible with:

• Standard HPLC systems

• LC‑MS / LC‑MS/MS systems

• GC and GC‑MS instruments

✅ Provides secure sealing across multiple platforms

Polypropylene Cap Design

• Durable knurled polypropylene construction

• Easy handling for manual and automated use

• Blue color coding for quick identification

✅ Supports efficient workflow and lab organization

Performance Advantages – Routine to High‑Throughput Use

• Reliable for:

  • Daily QC workflows

  • Method development

  • High‑throughput sample analysis

• Provides:

  • Consistent injection reproducibility

  • Reduced instrument interruptions

✅ Ideal for general‑purpose chromatography with high reliability requirements

Helpful Resources & Links

• 👉 Learn more about Soft‑Guard™ septa technology and performance benefits

• 👉 View case quantities and bulk ordering options for high‑throughput labs

Typical Applications

• HPLC analysis

• LC‑MS and LC‑MS/MS workflows

• GC and GC‑MS analysis

• Pharmaceutical QC and validation labs

• Environmental and food testing

• High‑throughput analytical laboratories

Important Usage Notes

• Designed for 9‑425 thread autosampler vials (12 × 32 mm)

• Suitable for routine and multi‑injection workflows

• Provides balanced penetration force and reseal performance

• Confirm compatibility with autosampler needle type and injection conditions