CUSTOM ITEM: Caps, Screw Top, with Silicone Rubber / PTFE Pre-Slit Septa, bonded in wide mouth, "knurled", polypropylene, Black Caps. For use with 10-425mm threads, 12x32mm autosampler vials. BASIK Brand. BULK PRICING.
Additional Info:
The 9503S‑30C‑K BASIK™ Screw Caps are selected for chromatography workflows requiring reliable autosampler sealing, smoother needle penetration, and bonded septa stability. The bonded silicone rubber/PTFE pre‑slit septa design helps minimize septa movement and supports consistent injection performance during routine analytical use.
Manufactured with black knurled polypropylene caps and bonded silicone rubber/PTFE pre‑slit septa, these caps are designed for use with standard 10‑425 thread, 12 × 32 mm autosampler vials commonly used in HPLC and GC laboratories. The wide mouth cap configuration provides improved access and needle targeting during autosampler operation.
Bonded Pre‑Slit Septa Design
Bonded silicone rubber/PTFE septa
Precision pre‑slit configuration
Helps reduce septa movement
Designed for routine injections
✅ Reliable autosampler performance
Pre‑Slit Septa Configuration
Easier autosampler needle penetration
Reduced injection force
Reliable resealing performance
Suitable for repeated injections
✅ Consistent autosampler operation
Wide Mouth Cap Configuration
Wide mouth cap design
Improved needle targeting area
Easier autosampler alignment
Supports routine analytical workflows
✅ Improved autosampler accessibility
Standard 10‑425 Compatibility
Fits 10‑425 screw thread vials
Compatible with:
12 × 32 mm autosampler vials
Industry standard autosampler formats
✅ Broad autosampler compatibility
Knurled Polypropylene Caps
Black polypropylene construction
Knurled exterior improves:
Grip
Installation
Removal
Reliable sealing performance
✅ Convenient laboratory handling
Additional Product Information
Custom item configuration
Bulk pricing available
Designed for laboratory autosampler use
✅ Cost‑effective chromatography consumable
✅ Also available:
Custom Item Pricing Information