Catalog Number - 9502S-E-35G

The 9502S‑E‑35G BASIK™ Screw Caps are selected for chromatography workflows requiring economical pre‑slit septa configurations for routine analytical testing. The fitted white silicone rubber/natural PTFE pre‑slit septa support easier needle penetration and dependable resealing performance during autosampler operation.

Manufactured with green knurled polypropylene caps and fitted white silicone/natural PTFE pre‑slit septa, these caps are designed for use with standard 9‑425 thread, 12 × 32 mm autosampler vials commonly used in HPLC and GC laboratories.

Economical Pre‑Slit Septa Configuration

• White silicone rubber/natural PTFE pre‑slit septa

• Very Cost‑effective cap configuration

• Easier autosampler needle penetration

• Designed for routine analytical workflows

✅ Economical pre‑slit autosampler vial sealing solution

Natural PTFE Septa

• No dyes or color additives

• Chemically inert septa material

• Durable PTFE surface

• Comparable inertness to red PTFE

✅ Reliable chemical compatibility

Standard 9‑425 Compatibility

• Fits 9‑425 screw thread vials

• Compatible with:

  • 12 × 32 mm autosampler vials

  • Industry standard autosampler formats

✅ Broad autosampler compatibility

Instrument Compatibility

• Normally recommended for systems comparable to:

  • Waters® Alliance

  • Waters® Acquity™

• Suitable for autosamplers requiring pre‑slit septa

✅ Optimized for Waters‑style autosampler systems

Knurled Polypropylene Caps

• Green polypropylene construction

• Knurled exterior improves:

  • Grip

  • Installation

  • Removal

• Secure sealing performance

✅ Convenient laboratory handling

Routine Chromatography Applications

• Suitable for:

  • HPLC analysis

  • GC workflows

  • Routine analytical testing

  • General laboratory applications

✅ Ideal for everyday analytical workflows

✅ Also available: Case Quantity BASIK™ 9502S‑E‑35G Screw Caps