ND20 Headspace Crimp Neck (6–20 mL)

20mm BiMetal Blue Magnetic Crimp Cap, UltraClean Transparent PTFE/Transparent Blue Silicone Septa (3 mm Thick)

Catalog #: ND20 Headspace Crimp Cap

20 mm BiMetal (magnetic) vial crimp seals with UltraClean PTFE/silicone septa, featuring Ultra Low Bleed (ULB) technology. Manufactured by NokeLab, a leading chromatography consumables factory in China.

Available SKUs

Model Specification MOQ
NKSSCC-20M-T-U UltraClean Transparent PTFE/Blue transparent Silicone Septa 20X3.0mm, 20mm Crimp-top Blue Magnetic Aluminum Cap, 8mm Centre Hole 1 pk
Ships within 5-7 business days
Certificate of Analysis included
Quality guaranteed

Product Overview

20 mm BiMetal (magnetic) vial crimp seals with UltraClean PTFE/silicone septa, featuring Ultra Low Bleed (ULB) technology. Manufactured by NokeLab, a leading chromatography consumables factory in China.

Research Applications

  • 8 mm center opening designed to work seamlessly with Combi PAL autosamplers.
  • Bi-metal and magnetic crimp seals provide enhanced rigidity compared with aluminum seals, ensuring a tighter and more secure closure.
  • UltraClean liners for sensitive analyses, combining the highest purity silicone and PTFE film with an advanced curing and conditioning process.
  • Available with silicone/PTFE or Pharma-fix butyl/PTFE septa, with customizable silicone hardness.
  • Compatible with 6 mL, 10 mL and 20 mL ND20 crimp top headspace vials.

Key Features

  • ND20 crimp caps available in aluminum or magnetic steel, with magnetic caps compatible with magnetic-lifting autosamplers.

Technical Support

Our team of product experts is available to assist with your research needs.

Contact Support

OEM Services

Need modifications or larger quantities? Request a custom synthesis quote.

Request Custom
Closure type Crimp Cap, 8mm Centre Hole
Nominal diameter N 20
Cap color Blue / Silver
Cap material BiMetal Magnetic
Septa thickness 3 mm
Septa material UltraClean transparent PTFE/transparent blue Silicone
Special Features UltraClean, Ultra Low Bleed (ULB)
Autosampler Agilent, CTC, Perkin Elmer, Shimadzu, Varian/Bruker
Technique Headspace

Need OEM or a Custom Configuration?

We support practical, production-ready customization for vials, caps, and septa. Share your autosampler type, dimensions, septa preference, and packaging needs—our team will confirm feasibility and lead time.