Top Hat Closure with PTFE/Silicone Septa, Black 8-425mm (1000/Case)

These premium Top Hat closures feature a distinctive design that provides superior grip and easy handling during sample preparation and storage. The 8-425mm thread size is compatible with standard 8mm screw thread vials, making these closures ideal for HPLC, GC autosampler applications, and general laboratory sample storage. The PTFE/Silicone septa delivers excellent chemical resistance and reliable resealing capabilities for multiple injections.

• Thread Size: 8-425mm standard screw thread configuration
• Septa Material: PTFE/Silicone composite for optimal chemical inertness and flexibility
• Color: Black closure for easy sample identification and light-sensitive applications
• Quantity: 1000 closures per case for high-throughput laboratory efficiency
• Applications: Compatible with HPLC, GC, and autosampler systems requiring 8mm vial closures
• SKU: 806550TH-08