13mm Autosampler Vial Septa, Red/White PTFE/Silicone, 100-pk | SKU: C4015-45

These premium 13mm autosampler vial septa are engineered for reliable sample integrity in HPLC, GC, and LC-MS applications. Featuring a dual-layer construction with a PTFE face and silicone backing, these septa provide excellent chemical resistance while ensuring optimal needle penetration and resealing capabilities. Designed to fit standard 13-425 screw thread caps, they deliver consistent performance for automated sampling workflows in pharmaceutical, environmental, and analytical laboratories.

• Diameter: 13mm, compatible with 13-425 screw thread caps
• Material Construction: PTFE (white) top layer bonded to silicone (red) backing for superior chemical inertness and flexibility
• Chemical Resistance: PTFE surface provides excellent resistance to aggressive solvents and prevents sample contamination
• Resealing Performance: Silicone layer ensures reliable needle penetration and resealing for multiple injections
• Package Quantity: 100 septa per pack for cost-effective laboratory stocking
• Applications: Ideal for HPLC, GC, LC-MS autosampler systems and general chromatography sample storage