Caps, Screw Top, with Silicone Rubber / PTFE Septa, bonded in "knurled", polypropylene, Black Caps. For use with 13-425mm thread, 15x45mm autosampler vials. MICROSOLV Brand. 1000/CS.
Additional Info:
The 9504S‑10C‑BK‑M MICROSOLV™ Screw Caps are selected for chromatography workflows requiring reliable autosampler sealing and bonded septa stability for 4 mL vial applications. The bonded silicone rubber/PTFE 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 septa, these caps are designed for use with standard 13‑425 thread, 15 × 45 mm autosampler vials commonly used in older Waters® and Shimadzu autosampler systems.
Bonded Septa Design
Bonded silicone rubber/PTFE septa
Helps reduce septa movement
Improves cap and septa stability
Designed for routine injections
✅ Reliable autosampler performance
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
Older Shimadzu autosamplers
Designed for established analytical workflows
✅ 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 MICROSOLV™ 9504S‑10C‑BK Screw Caps