Caps, Crimp Top, with PTFE Septa, fitted in aluminum, Silver Caps. For use with 11mm Crimp or Snap Top, 12x32mm autosampler vials. BASIK Brand. 100/PK.
Additional Info:
The 9502C-40P-S BASIK Crimp Caps are designed for cost‑effective chromatographic applications requiring high chemical inertness, featuring PTFE‑only septa that eliminate potential contamination from silicone materials.
These caps are constructed with silver aluminum crimp closures and are compatible with 11 mm crimp‑top and snap‑top, 12 × 32 mm autosampler vials, making them suitable for HPLC and general analytical workflows involving non‑volatile samples and single injections.
PTFE‑Only Septa – Maximum Inertness
Polytetrafluoroethylene (PTFE) septa only
No silicone backing
Minimizes:
Extractables
Leachables
Background contamination
✅ Ideal for clean, interference‑free analysis
Designed for Single Injection Applications
PTFE‑only septa do not reseal after puncture
Best suited for:
Single injections
Non‑volatile samples
✅ Eliminates risk of cross‑contamination from resealing materials
Crimp Top Design – Secure Sealing
11 mm aluminum crimp cap
Provides:
Tight, leak‑resistant seal
Reduced evaporation for compatible samples
✅ Reliable for routine analytical workflows
Compatible with Standard Autosampler Vials
Fits:
11 mm crimp‑top vials
11 mm snap‑top vials (with proper tools)
Designed for 12 × 32 mm autosampler vials
✅ Ensures broad instrument compatibility
Cost‑Effective BASIK Brand Solution
Designed for routine laboratory use
Offers:
Reliable performance
Economic value
✅ Ideal for high‑volume, cost‑sensitive applications
Typical Applications
HPLC analysis
Single‑injection workflows
Non‑volatile sample analysis
Routine QC laboratories
Environmental and industrial testing
Important Usage Notes
PTFE‑only septa will not reseal after puncture
Not recommended for:
Multiple injections
Volatile sample storage
✅ Use silicone/PTFE septa when resealability is required
✅ Also available:
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