Caps, Screw Top, with White Silicone Rubber / Natural PTFE Septa, fitted in "knurled", polypropylene, Blue Caps. For use with 9-425mm thread, 12x32mm autosampler vials. BASIK Brand. 1000/CS.
Additional Info:
The 9502S‑E‑15B‑M screw caps are our most economical, lowest‑cost option for autosampler vial sealing, offering dependable performance for high‑throughput and routine laboratory workflows where cost control is critical.
Each cap is fitted with white silicone rubber septa faced with natural (undyed) PTFE, providing the same chemical inertness and durability as red PTFE, without added dyes. The knurled polypropylene cap design supports secure handling and consistent sealing during autosampler operation.
Optimized for standard 9‑425 vial configurations, these caps deliver reliable needle penetration and resealing for routine HPLC and GC applications, where ultra‑pure or MS‑certified components are not required.
This 1000‑count case format is ideal for laboratories seeking maximum value and inventory efficiency.