CUSTOM ITEM: Caps, Screw Top, with White Silicone Rubber / Tan PTFE Septa, bonded in knurled, polypropylene, Green Caps. For use with 9-425mm thread, 12x32mm autosampler vials. AQ Brand. BULK PRICING.
Additional Info:
The 9502S‑11‑MG AQ™ Screw Caps are selected for chromatography workflows requiring ultra‑pure septa materials and reliable sealing performance for mass spectrometry applications. The bonded white silicone rubber/tan PTFE septa design helps reduce septa movement while supporting consistent autosampler injections and low background interference.
Manufactured with green knurled polypropylene caps and bonded ultra‑pure septa, these caps are designed for use with standard 9‑425 thread, 12 × 32 mm autosampler vials commonly used in LC‑MS, LC‑MS/MS, GC‑MS, HPLC, and GC laboratories.
Ultra‑Pure Septa Configuration
White silicone rubber/tan PTFE septa
Ultra‑pure septa materials
Designed for low background interference
Suitable for sensitive MS workflows
✅ Optimized for LC‑MS and GC‑MS applications
Bonded Septa Design
Bonded septa construction
Helps reduce septa movement
Improves cap stability
Supports consistent injections
✅ Reliable autosampler performance
Standard 9‑425 Compatibility
Fits 9‑425 screw thread vials
Compatible with:
12 × 32 mm autosampler vials
Industry standard autosampler formats
✅ Broad autosampler compatibility
Instrument Compatibility
Recommended for systems comparable to:
Waters® Acquity™
Suitable for sensitive autosampler workflows
✅ Compatible with high‑performance LC systems
Knurled Polypropylene Caps
Green polypropylene construction
Knurled exterior improves:
Grip
Installation
Removal
Secure sealing performance
✅ Convenient laboratory handling
Chromatography Applications
Suitable for:
LC‑MS analysis
LC‑MS/MS workflows
GC‑MS applications
HPLC analysis
GC testing
✅ Ideal for MS‑sensitive analytical workflows
Important Usage Notes
Custom item configuration
Use with 9‑425 thread, 12 × 32 mm autosampler vials only
✅ Designed for high sensitivity chromatography applications
Custom Item Pricing Information