Screw Closure, 13x425mm, PTFE Lined, 100-pk

These premium PTFE-lined screw closures are engineered for secure sealing of 13mm diameter sample vials and tubes in demanding laboratory environments. The chemically inert PTFE liner provides exceptional resistance to aggressive solvents and acids, making these closures ideal for chromatography applications, sample storage, and analytical chemistry workflows where sample integrity and contamination prevention are critical.

• Dimensions: 13mm diameter x 425mm thread configuration for universal compatibility
• PTFE-lined septum ensures chemical inertness and prevents sample contamination
• Suitable for GC, HPLC, and general laboratory sample storage applications
• Resistant to a wide range of organic solvents, acids, and bases
• Convenient 100-pack quantity for high-throughput laboratory needs
• SKU: B7815-13NL