Catalog Number - 9502S-E-40C-B

The 9502S‑E‑40C‑B BASIK™ Screw Caps are selected for chromatography workflows requiring economical autosampler sealing with enhanced mechanical durability and dependable resealing performance. The red rubber/Mylar septa configuration provides a practical balance of chemical resistance, needle wiping, and cost efficiency for routine analytical applications.

Manufactured with blue knurled polypropylene caps and fitted red rubber/Mylar septa, these caps are designed for use with standard 9‑425 thread, 12 × 32 mm autosampler vials commonly used in HPLC and GC laboratories.

Red Rubber / Mylar Septa

• Red rubber septa core

• Mylar laminated surface

• Enhanced resealing characteristics

• Designed for repeated injections

✅ Dependable routine autosampler performance

Enhanced Needle Wiping Performance

• Mylar surface improves needle wiping

• Helps remove residue during penetration

• Useful where instrument washing is limited

• Supports cleaner repeated injections

✅ Improved injection consistency

Economical Chromatography Solution

• Cost‑effective septa configuration

• Suitable for routine laboratory workflows

• Durable mechanical performance

• Alternative to PTFE‑based septa designs

✅ Practical balance of performance and economy

Standard 9‑425 Compatibility

• Fits 9‑425 screw thread vials

• Compatible with:

  • 12 × 32 mm autosampler vials

  • Industry standard autosampler formats

✅ Broad autosampler compatibility

Knurled Polypropylene Caps

• Blue polypropylene construction

• Knurled exterior improves:

  • Grip

  • Installation

  • Removal

• Reliable sealing performance

✅ Convenient laboratory handling

Routine Chromatography Applications

• Suitable for:

  • HPLC analysis

  • GC workflows

  • Method development laboratories

  • Quality control laboratories

  • General analytical testing

✅ Ideal for everyday chromatography workflows

Important Usage Notes

• Ultra‑low extractables applications may require PTFE‑based septa

• Designed for routine analytical workflows

• Suitable for robust solvent applications

✅ Reliable choice for general laboratory testing