Caps, Screw Top, with White Silicone Rubber / Natural PTFE Septa, fitted in "knurled", polypropylene, Purple Caps. For use with 9-425mm thread, 12x32mm autosampler vials. BASIK Brand. 1000/CS.
Additional Info:
Cost-effective screw caps are commonly used in routine analysis where dependable sealing performance is needed without premium material requirements.
The 9502S‑E‑15P‑M BASIK Screw Caps provide an economical solution using silicone/PTFE septa with natural (undyed) PTFE, offering the same inertness and durability as red PTFE without added dyes. This makes them suitable for standard HPLC, GC, and LC‑MS applications where both cost-efficiency and performance are important.
The purple polypropylene cap includes a knurled exterior for secure handling and consistent sealing. Designed for compatibility with 9‑425 thread, 12 × 32 mm autosampler vials, these caps provide reliable fit and repeatable performance in high-throughput environments.
Key Features & Benefits
Economical cap design ✅ Cost-effective for routine analysis
Natural PTFE (undyed) ✅ Inert with no added colorants
Silicone/PTFE septa ✅ Reliable sealing and chemical resistance
Fits 12 × 32 mm autosampler vials ✅ Standard 9‑425 compatibility
Purple knurled cap ✅ Easy identification and handling
Typical Applications
Routine HPLC and UHPLC analysis
GC and LC‑MS workflows
High-throughput testing laboratories
General analytical applications
Important Notes
For 9‑425, 12 × 32 mm autosampler vials only
Suitable for routine and multi-injection use
Case quantity format (1000/CS)