Caps, Screw Top, Solid, with an ultra-pure, Silicone Rubber / PTFE liner, in a closed Black Cap. For use with 9-425mm thread,12x32mm autosampler vials. AQR Brand 100/PK.
Additional Info:
The 9509S-10C-KSR AQR™ Screw Caps are engineered for sample storage and high‑purity applications, featuring a solid closed‑top design with an ultra‑pure silicone rubber/PTFE liner to provide a tight, inert seal.
These caps are ideal for 12 × 32 mm, 2 mL autosampler vials, effectively converting them into secure storage containers while maintaining excellent chemical compatibility and minimizing contamination risks.
Ultra‑Pure Silicone/PTFE Liner – Maximum Inertness
Silicone rubber / PTFE liner
No color dyes or additives in liner materials
Minimizes:
Extractables
Leachables
Background contamination
✅ Ideal for sensitive samples and long-term storage
Solid Closed Cap Design – Enhanced Sealing
Fully closed-top cap (no septum penetration)
Provides:
Superior sealing integrity
Reduced evaporation
Protection from environmental exposure
✅ Best suited for sample storage rather than injection
Optimized for Secure Storage Applications
Converts 12 × 32 mm autosampler vials into storage bottles
Provides:
Leak resistance
Sample integrity preservation
✅ Ideal for sample transport, storage, and archiving
Standard 9‑425 Screw Thread Compatibility
Fits 9‑425 thread vials
Compatible with:
2 mL (12 × 32 mm) autosampler vials
✅ Ensures broad compatibility with standard lab consumables
Durable Polypropylene Cap – Reliable Handling
Black polypropylene cap
Designed for:
Secure tightening
Long-term use
✅ Provides durable, dependable sealing performance
Typical Applications
Sample storage and transport
Long‑term sample archiving
LC‑MS and HPLC sample preparation (pre‑analysis storage)
Pharmaceutical, environmental, and bioanalytical labs
Important Usage Notes
Not designed for autosampler injection (no septum access)
Ideal for applications requiring:
Maximum sealing integrity
Chemical inertness
Use septum caps when sample access via needle is required