8mm Septa, Red Teflon/White Silicone, 0.060" Thickness | SKU: 200 344

These premium 8mm septa feature a durable red PTFE (Teflon) face bonded to a white silicone backing, engineered for reliable chromatography vial sealing in GC and HPLC applications. The PTFE layer provides excellent chemical resistance and prevents sample interaction, while the silicone backing ensures optimal resealing properties for multiple injections. Ideal for analytical laboratories requiring consistent, contamination-free sample analysis.

• Diameter: 8mm – compatible with standard 8-425 screw thread vials and caps
• Construction: Red PTFE (Teflon) face / White Silicone backing for superior chemical inertness and resealing capability
• Thickness: 0.060" (1.5mm) for secure needle penetration and reliable seal integrity
• Quantity: 1000 pieces per case for high-volume laboratory needs
• Applications: GC, HPLC, autosampler vials, and general analytical chemistry sample storage
• Low bleed formulation: Minimizes background interference for accurate chromatographic results