Caps, Screw Top, with Silicone Rubber / PTFE Septa, fitted in "knurled", polypropylene, Black Caps. For use with 13-425mm thread, 15x45mm autosampler vials. BASIK Brand. 1000/CS.
Additional Info:
The 9504S‑05C‑BLK‑M 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
Bulk Case Packaging
Supplied as 1000 caps per case
Suitable for high‑throughput laboratories
Helps reduce reordering frequency
✅ Efficient for routine analytical workflows
✅ Also available: Smaller Pack Quantity BASIK™ 9504S‑05C‑BLK Screw Caps