SureSTART 9 mm Screw Caps, Pre-slit, White Silicone/Blue PTFE, Red, 1000-cs

These SureSTART 9 mm screw caps deliver reliable, contamination-free sealing for autosampler vials in HPLC, GC, and LC-MS applications. Featuring a pre-slit white silicone/blue PTFE septum, these caps enable smooth needle penetration while minimizing coring and sample contamination. The PTFE-lined surface provides excellent chemical resistance, making these caps ideal for analyzing volatile compounds, solvents, and sensitive samples in pharmaceutical, environmental, and clinical laboratories.

• Pre-slit septum design allows easy needle access and reduces septum coring
• White silicone/blue PTFE septa offers superior chemical inertness and low extractables
• 9 mm screw thread ensures secure, leak-proof sealing compatible with standard autosampler vials
• Red cap color enables quick visual identification and sample organization
• Convenient 1000-piece case quantity ideal for high-throughput laboratory environments
• SKU: 6PSC9STS1RT