Ibis 9mm Blue Screw Cap with PTFE/Silicone Septa, 100-pk (SKU: 4000-062)

These premium 9mm blue screw caps feature a PTFE/silicone septum, providing an ideal sealing solution for autosampler vials in chromatography applications. The PTFE-lined silicone septa delivers excellent chemical resistance and low extractables, making them suitable for GC and HPLC analysis where sample integrity is critical. The pre-assembled design ensures consistent performance and streamlines laboratory workflow.

• 9mm screw thread closure with bonded PTFE/silicone septum
• PTFE layer provides superior chemical inertness and low background interference
• Silicone backing offers excellent resealability for multiple injections
• Compatible with standard 9mm screw thread autosampler vials
• Blue cap color enables easy visual identification and sample organization
• Conveniently packaged in 100-piece quantity for laboratory efficiency