11mm Clear Snap Cap with White Silicone/Blue PTFE Septa, Pre-Slit (100-pk) | P/N: 4200-54C

These 11mm clear snap caps with white silicone/blue PTFE septa are engineered for reliable sample containment and efficient autosampler needle penetration in chromatography applications. The pre-slit design eliminates the need for manual piercing, reducing coring and particulate contamination while ensuring consistent injection performance in HPLC and GC workflows. Ideal for high-throughput laboratories requiring dependable sealing integrity and chemical resistance.

• Cap Size: 11mm diameter with snap-on closure for secure vial sealing
• Septa Composition: White silicone/blue PTFE dual-layer construction for optimal chemical inertness and resealing capability
• Pre-Slit Design: Factory-slit septa for smooth needle penetration and reduced septum coring
• Chemical Compatibility: PTFE layer provides excellent resistance to aggressive solvents and acids
• Temperature Range: Suitable for a wide range of analytical temperature conditions
• Package Quantity: 100 caps per pack for efficient laboratory inventory management