11mm Blue Snap Cap with Red PTFE/White Silicone Septa, 100-pk

These premium 11mm blue snap caps with red PTFE/white silicone septa are designed for reliable sample containment in autosampler vial applications. The dual-layer septa construction combines the chemical inertness of PTFE with the superior resealing properties of silicone, making them ideal for GC and HPLC analyses across pharmaceutical, environmental, and chemical testing laboratories.

• Septa Composition: Red PTFE/White Silicone dual-layer construction for optimal chemical resistance and resealing capability
• Cap Size: 11mm diameter with secure snap-on closure for standard 2mL crimp-top and snap-top vials
• Color-Coded Design: Blue cap allows for easy sample identification and laboratory organization
• Chemical Compatibility: PTFE layer provides excellent resistance to acids, bases, and most organic solvents
• Quantity: Conveniently packaged in 100 units per pack for high-throughput laboratory workflows
• P/N: 4200-22B