Thermo™ 22mm PTFE/Silicone Septum for Sample Storage Caps, 100-pk

These premium PTFE/silicone septa from Thermo Scientific provide reliable, chemically resistant sealing for sample storage vials and containers in analytical laboratory applications. The dual-layer construction combines the inert properties of PTFE with the flexibility of silicone, making them ideal for chromatography sample preparation, autosampler vials, and long-term sample storage where contamination prevention and sample integrity are critical.

• Diameter: 22mm – compatible with standard sample storage caps and closures
• Dual-Layer Construction: PTFE face provides chemical inertness; silicone backing ensures optimal resealing capability
• Chemical Resistance: PTFE layer protects samples from contamination and resists a wide range of solvents and reagents
• Multiple Puncture Performance: Maintains seal integrity through repeated needle penetrations for autosampler applications
• Low Extractables: Minimizes background interference in sensitive analytical methods including GC and HPLC
• Convenient Pack Size: 100 septa per package for high-throughput laboratory environments

SKU: 6A24ST26