Agilent BND Blue Scr Cap PTFE/red Si septa 100pk 5190-7024

Agilent 5190-7024 is a 100‑pack of bonded blue 12 mm polypropylene screw caps that include bi‑layer PTFE/red‑silicone septa for use with 2 mL screw vials. Intended for GC and LC sample containment and autosampler workflows, the closures fit 9‑425 threaded vials and are sold as consumable caps for sample storage and injection preparation.

Key Features:

• Pack quantity: 100 bonded screw caps with septa.
• Cap: blue polypropylene screw cap; closure size 12 mm; thread finish 9‑425.
• Septa: bi‑layer construction — PTFE contact layer over red silicone; septa are not pre‑slit.
• Intended use: for 2 mL screw vials; techniques listed include GC and LC.

Advantages:

• Bi‑layer PTFE/red silicone septa provide a chemically inert PTFE contact surface plus elastic silicone for reliable resealing after autosampler needle puncture.
• Bonded 12 mm screw caps with standardized 9‑425 threads give consistent, leak‑resistant closures compatible with common autosampler systems, helping reduce contamination and sample loss.
• Supplied by Agilent as a matched consumable pack, simplifying procurement and ensuring compatibility with Agilent vials and many major instrument brands.