9-425mm Blue Screw Closure with Pre-Slit PTFE/Silicone Septa, 100-pk (C5000-55BNL)

This 9-425mm blue screw closure features a high-quality blue PTFE/white silicone septum with pre-slit design, engineered for seamless autosampler needle penetration and reliable resealing. Ideal for HPLC, GC, and LC-MS applications, these closures provide excellent chemical resistance and low extractables, ensuring sample integrity in analytical chromatography workflows. This product serves as a direct alternate for part number 09 15 0869.

• Thread Size: 9-425mm universal screw thread compatible with standard autosampler vials
• Septum Composition: Blue PTFE/white silicone with pre-slit design for effortless needle access
• Chemical Resistance: PTFE layer provides superior resistance to aggressive solvents and acids
• Low Bleed Properties: Minimizes background interference for sensitive analytical methods
• Convenient Packaging: 100 closures per pack for efficient laboratory inventory management
• SKU: C5000-55BNL | Alternate for: 09 15 0869