ND20 Headspace Crimp Neck (6–20 mL)

20mm Crimp-top Aluminum Cap, Nature PTFE/Nature Silicone Septa (3 mm Thick)

Catalog #: ND20 Headspace Crimp Cap

20 mm crimp caps for 6 mL, 10 mL and 20 mL ND20 headspace vials, manufactured by NokeLab, a leading China chromatography vial cap and septa factory.

Available SKUs

Model Specification MOQ
NKSSCC-20-H 20mm Crimp-top Aluminum Cap w/septa 9.5mm Centre Hole (Nature PTFE/Nature Silicone, 20*3.0mm) 1 pk
Ships within 5-7 business days
Certificate of Analysis included
Quality guaranteed

Product Overview

20 mm crimp caps for 6 mL, 10 mL and 20 mL ND20 headspace vials, manufactured by NokeLab, a leading China chromatography vial cap and septa factory.

Research Applications

  • 20 mm silver aluminum crimp caps with PTFE/silicone septa are widely used for headspace applications.
  • Compatible with 6 mL, 10 mL and 20 mL ND20 crimp top headspace vials.
  • Available with silicone/PTFE or butyl/PTFE septa, with customizable silicone hardness.
  • ND20 crimp caps available in aluminum or magnetic steel, with magnetic caps compatible with magnetic-lifting autosamplers.
  • Aluminum caps with optional pressure-release design split under high internal vial pressure, ensuring safe pressure venting.

Technical Support

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

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OEM Services

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

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Closure type Crimp Cap, 9.5mm Centre Hole
Nominal diameter N 20
Cap color Silver
Cap material Aluminum
Septa thickness 3 mm
Septa material Nature PTFE/Nature Silicone
Maximum Temperature 180 °C
Autosampler Agilent, CTC, Perkin Elmer, Shimadzu, Varian/Bruker
Recommended application Headspace

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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.

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