9mm Screw Closure with PTFE/Red Rubber Septum, Blue – 100-Pack

These premium 9mm screw closures feature a reliable PTFE/red rubber septum, engineered for secure sealing in chromatography vials and sample storage applications. The PTFE-faced septum provides excellent chemical resistance while the red rubber backing ensures optimal resealing properties, making these closures ideal for GC and HPLC autosampler systems requiring multiple injections.

• Septum Material: PTFE/Red Rubber composite for superior chemical inertness and resealing capability
• Closure Size: 9mm screw thread compatible with standard chromatography vials
• Color: Blue cap for easy sample identification and laboratory organization
• Quantity: 100 closures per pack for cost-effective laboratory supply
• Applications: GC/HPLC analysis, sample storage, and autosampler compatibility
• SKU: 4000-51B