WHEATON Black Phenolic Screw Cap with PTFE-Faced Rubber Liner, 15-425

The WHEATON Black Phenolic Screw Cap features a PTFE-faced rubber liner, providing excellent chemical resistance and a reliable seal for laboratory sample storage and transport. Designed with a 15-425 thread finish, these caps are ideal for use with standard laboratory vials and bottles in pharmaceutical, analytical, and research applications where sample integrity and contamination prevention are critical.

• Material: Black phenolic cap with PTFE-faced rubber liner for superior chemical compatibility
• Thread Size: 15-425 finish for secure, leak-resistant closure
• PTFE Liner: Chemically inert facing prevents sample contamination and liner degradation
• Quantity: 1000 caps per case for high-volume laboratory needs
• SKU: W240823
• Applications: Sample storage, solvent handling, and general laboratory use requiring dependable sealing performance