9mm AVCS Blue Screw Cap with PTFE/Silicone/PTFE Septa, 100-pk | SKU: 4000-53B

These premium 9mm AVCS (Assured Vial Closure System) blue screw caps provide reliable, leak-proof sealing for autosampler vials in HPLC, GC, and LC-MS applications. The tri-layer PTFE/Silicone/PTFE septa design combines the chemical inertness of PTFE with the superior resealing properties of silicone, ensuring sample integrity and minimizing contamination risks during automated analysis workflows.

• Septa Configuration: Tri-layer PTFE/Silicone/PTFE construction for optimal chemical resistance and resealing capability
• Cap Size: 9mm diameter screw thread compatible with standard AVCS autosampler vials
• Color: Blue polypropylene cap for easy identification and organization
• Chemical Compatibility: PTFE-faced septa resistant to most organic solvents and aqueous solutions
• Applications: Ideal for HPLC, UHPLC, GC, and LC-MS sample preparation and analysis
• Quantity: 100 caps per package for high-throughput laboratory environments