Catalog Number - 9503S-E-09C-K

The 9503S‑E‑09C‑K BASIK™ Screw Caps are selected for chromatography workflows requiring reliable sealing performance and thicker septa construction for routine analytical applications. The 1.25 mm silicone rubber/PTFE septa configuration provides dependable resealing and durability during repeated autosampler injections.

Manufactured with black knurled polypropylene caps and fitted silicone rubber/PTFE septa, these caps are designed for use with standard 10‑425 thread, 12 × 32 mm wide mouth autosampler vials commonly used in HPLC and GC laboratories.

1.25 mm Septa Configuration

• 1.25 mm septa thickness

• Silicone rubber/PTFE septa

• Designed for routine injections

• Dependable resealing performance

✅ Reliable autosampler sealing performance

Wide Mouth Vial Compatibility

• Fits 10‑425 screw thread vials

• Compatible with:

  • 12 × 32 mm wide mouth autosampler vials

  • Industry standard autosampler formats

✅ Broad autosampler compatibility

Silicone Rubber / PTFE Septa

• Silicone rubber/PTFE septa configuration

• Reliable chemical resistance

• Suitable for routine chromatography workflows

• Designed for repeated injections

✅ Dependable chromatography performance

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

  • Routine analytical testing

  • General laboratory applications

✅ Ideal for everyday chromatography workflows