LABPRO QuickFit 8-425 Open Top Screw Cap 8mm, Red PTFE/White Silicon Septa, 10000pcs/ctn LPQV5149

LabPRO QuickFit 8-425 Open Top Screw Cap is a pre-assembled 8 mm open-top screw closure designed for autosampler and chromatography vials. It features a red cap with a PTFE facing and white silicone septum to provide a chemically resistant, self-sealing interface for repeated needle penetration. Typical uses include HPLC/GC/IC sample preparation and autosampler vial closure where secure sealing, chemical compatibility and repeated septum access are required.

Key Features:

• Thread finish: 8-425 (8 mm) open top screw cap
• Cap color: Red
• Septa: PTFE (red face) laminated to white silicone septum
• Quantity: 10000 pieces per carton
• Cap type: Pre-assembled open top polypropylene screw cap with PTFE/silicone septum

Advantages:

• PTFE-faced septum provides strong chemical resistance and an inert barrier between sample and cap
• Pre-assembled cap and septum minimize handling and reduce risk of contamination
• White silicone layer offers reliable self-sealing after repeated needle punctures for autosampler use
• High-volume packaging (10000 pcs/ctn) supports large-scale laboratory workflows and consistent supply