Caps, Crimp Top, Silicone Rubber / PTFE, ultra-pure Septa, fitted in aluminum, Silver Caps. For use with 11mm Crimp or Snap Top, 12x32mm autosampler vials. AQR Brand. 100/PK.
Additional Info:
The 9509C-AQR-1S AQR™ Crimp Caps are engineered for high‑purity chromatographic applications, featuring ultra‑clean silicone rubber/PTFE septa to ensure low background interference and excellent chemical compatibility.
These caps are constructed with silver aluminum crimp closures and are compatible with both 11 mm crimp‑top and snap‑top, 12 × 32 mm autosampler vials, offering secure, leak‑resistant sealing for demanding analytical workflows.
Ultra‑Pure Silicone/PTFE Septa – Reliable & Low Bleed
Dual‑layer silicone rubber / PTFE septa
Designed to minimize:
Extractables
Leachables
Background noise
Provides:
Chemical inertness
Reliable resealing after injection
✅ Ideal for LC‑MS, GC‑MS, and HPLC applications
Crimp Top Design – Maximum Seal Integrity
11 mm aluminum crimp cap
Provides:
Airtight, secure seal
Excellent resistance to evaporation
Reliable performance with volatile samples
✅ Preferred for critical analyses and long sample storage
Compatible with Crimp & Snap Top Vials
Fits:
11 mm crimp‑top vials
11 mm snap‑top vials (with proper tools)
Standard 12 × 32 mm vial compatibility
✅ Flexible solution for mixed laboratory workflows
Aluminum Construction – Durable & Consistent
Silver aluminum cap body
Ensures:
Uniform crimping
Strong mechanical seal
Chemical resistance
✅ Supports reliable, repeatable sealing performance
Optimized for Autosampler Use
Designed for use with:
HPLC autosamplers
GC‑MS systems
LC‑MS platforms
✅ Enables consistent injections and reduced variability
Typical Applications
GC‑MS analysis (including volatile compounds)
LC‑MS and LC‑MS/MS workflows
HPLC autosampler analysis
Pharmaceutical and environmental testing
Sample storage requiring secure sealing
Important Usage Notes
Requires crimping tool for proper sealing
Suitable for volatile and non‑volatile samples
Silicone/PTFE septa allow multiple needle penetrations
✅ Ideal where maximum seal integrity and resealability are critical
✅ Also available:
Crimping Tools for 11 mm Aluminum Caps for Autosampler Vials (required for proper sealing)