Catalog Number - 9504S-05C-BLK

The 9504S‑05C‑BLK BASIK™ Screw Caps are selected for chromatography workflows requiring reliable autosampler sealing at an economical cost for 4 mL vial applications. The fitted silicone rubber/PTFE septa configuration provides dependable injection performance for routine analytical workflows.

Manufactured with black knurled polypropylene caps and fitted silicone rubber/PTFE septa, these caps are designed for use with standard 13‑425 thread, 15 × 45 mm autosampler vials commonly used in older Waters® autosampler systems.

Silicone Rubber / PTFE Septa

• Silicone rubber/PTFE septa configuration

• Reliable sealing performance

• Suitable for routine injections

• Designed for chromatography workflows

✅ Dependable autosampler operation

13‑425 Thread Compatibility

• Fits 13‑425 screw thread vials

• Compatible with:

  • 15 × 45 mm autosampler vials

  • 4 mL autosampler vials

  • Industry standard autosampler formats

✅ Broad autosampler compatibility

Legacy Instrument Compatibility

• Suitable for systems comparable to:

  • Older Waters® autosamplers

• Designed for established analytical workflows

• Economical cap configuration for routine use

✅ Optimized for legacy autosampler systems

Knurled Polypropylene Caps

• Black polypropylene construction

• Knurled exterior improves:

  • Grip

  • Installation

  • Removal

• Reliable sealing performance

✅ Convenient laboratory handling

Routine Chromatography Applications

• Suitable for:

  • HPLC analysis

  • GC workflows

  • 4 mL autosampler vial applications

  • Routine analytical testing

✅ Ideal for everyday chromatography workflows

✅ Also available: Case Quantity BASIK™ 9504S‑05C‑BLK Screw Caps