Screw Storage EPA Vial ND24 (20-60 mL)

24mm White PP Screw Cap, Open Top with Silicone/ PTFE Septa

Catalog #: Screw Neck ND24 (EPA)

ND24 screw closures are designed for a wide range of storage vials and are widely used in environmental, food, and pharmaceutical testing applications.

Available SKUs

Model Specification MOQ
NKSSC-22-G 24mm White Screw PP Cap, 15mm Centre Hole with White Silicone/Beige PTFE Septa 1 pk
NKSSC-22-H 24mm White Screw PP Cap, 15mm Centre Hole with Nature PTFE/Nature Silicone Septa 1 pk
NKSSC-22-S 24mm White Screw PP Cap, 15mm Centre Hole with Nature PTFE/White Silicone Septa 1 pk
Ships within 5-7 business days
Certificate of Analysis included
Quality guaranteed

Product Overview

ND24 screw closures are designed for a wide range of storage vials and are widely used in environmental, food, and pharmaceutical testing applications.

Research Applications

  • ND24 screw closures are available in closed-top or open-top designs (with a center hole).
  • Closed top design to prevent evaporation and contamination of samples.
  • 24-414 caps are compatible with a wide range of storage vials and are ideal for environmental, food, and pharmaceutical testing.
  • High analytical purity with easy needle penetration and medium resealability.
  • UltraBond ND24 seals and pre-sealed vials are also available.

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 Screw Closures 24-414 thread
Cap Material Polypropylene (PP)
Septa material Silicone/PTFE
Septa thickness 3.0 mm
Septa hardness 45° shore A
Applications TOC (EPA)
Technique Purge & Trap

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.