DURAN Wheaton Screw Cap (W240834)

DURAN Wheaton Screw Cap (W240834) – Autoclavable PP White, Solid Top

The DURAN Wheaton Screw Cap (W240834) is a solid-top white polypropylene (PP) closure engineered for E-Z Ex-Traction vials with a 22-400 thread size. It features a PTFE/Silicone liner, providing a chemically inert, airtight, and autoclavable seal for demanding laboratory applications.

The DURAN Wheaton Screw Cap offers lightweight yet durable polypropylene construction combined with a dual-layer PTFE/Silicone liner for maximum performance. The PTFE surface ensures excellent chemical resistance against acids and solvents, while the silicone backing provides elastic compression for a leak-free seal even after multiple uses or autoclaving.

This cap is suitable for chromatography, sample storage, and biotechnology applications requiring clean and secure closures under sterile conditions.

Product Highlights

• Type: Screw Cap for E-Z Ex-Traction Vials

• Material: Polypropylene (PP), White

• Liner: PTFE/Silicone (Solid Top)

• Cap Size: 22-400

• Autoclavable: Yes

• Chemical Resistance: Excellent for solvents, acids, and reagents

• Seal Integrity: Airtight and reusable

• Part Number: W240834

Applications

• Analytical and pharmaceutical laboratories

• Chromatography and sample extraction

• Chemical and biotechnology research

• Reagent and solvent storage