13-425 Black Phenolic Continuous Thread Cap - Teflon Lined

Teflon Lined Cap for Chemical and Laboratory Use

The 13-425 Black Continuous Thread Cap with PTFE (Teflon) liner is designed for superior chemical resistance and product purity. Engineered for demanding laboratory and industrial environments, this closure helps protect sensitive contents from contamination, moisture, and chemical interaction. The PTFE liner provides an inert, non-reactive barrier that maintains sample integrity and prevents absorption or leaching. Paired with a 13-425 neck finish, this cap delivers a secure, precision fit on compatible vials and bottles for confident sealing and consistent performance.

• PTFE (Teflon) liner offers exceptional chemical resistance and product protection
• Ideal for high-purity, sensitive, and corrosive contents such as reagents, solvents, and pharmaceutical samples
• Black continuous thread phenolic closure provides strength and secure sealing capability
• Perfect for laboratory, research, and industrial liquid handling applications
• Made in USA for consistent quality and performance