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

The 9502S‑E‑10C‑B‑M Soft‑Guard™ Screw Caps (Case Pack) are engineered for consistent, high‑volume chromatography applications, combining bonded white silicone / red PTFE septa with a durable knurled polypropylene cap.

Designed for 9‑425 thread autosampler vials (12 × 32 mm), these caps deliver reliable sealing, smooth needle penetration, and improved resealing performance, making them ideal for routine and high‑throughput laboratory operations.

✅ MICROSOLV’s most widely used screw cap for HPLC and LC‑MS workflows

Soft‑Guard™ Septa – Reduced Coring & Maximum Uptime

• Bonded silicone/PTFE septa design helps reduce:

  • Septum coring

  • Missed injections

  • Autosampler interruptions

• Provides:

  • Smooth, controlled needle penetration

  • Reliable resealing after repeated injections

✅ Improves data consistency and instrument uptime

Optimized Septa Specifications

• Durometer: 40–50 Shore A

• Thickness: 0.040 in ± 0.003 in

✅ Balanced for:

• Injector compatibility

• Durability in multi‑injection workflows

9‑425 Format – Broad System Compatibility

• Fits 9‑425 thread autosampler vials

• Designed for 12 × 32 mm vials

Compatible with:

• HPLC systems

• LC‑MS / LC‑MS/MS instruments

• GC and GC‑MS platforms

✅ Ensures secure sealing across diverse chromatography systems

Durable Polypropylene Cap Design

• Knurled polypropylene construction for easy handling

• Suitable for manual and automated workflows

• Blue color coding for quick identification

✅ Supports efficient laboratory workflow and organization

Bulk Case Packaging – High‑Throughput Efficiency

• 1000 caps per case for:

  • High‑volume laboratories

  • Routine analytical testing

• Reduces:

  • Reorder frequency

  • Handling interruptions

✅ Optimized for cost efficiency and continuous operation

Performance Advantages – Industry Standard Choice

• Reliable for:

  • Routine QC analysis

  • Method development

  • High‑throughput sample runs

• Delivers:

  • Consistent injection reproducibility

  • Reduced instrument downtime

✅ Ideal for general‑purpose chromatography with high reliability needs

Helpful Resources & Links

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

• 👉 Compare pack sizes and choose between 100/pack vs 1000/case options

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 resealing performance

• Confirm compatibility with autosampler needle specifications