20-400 Black Phenolic Continuous Thread Cap - Polycone Liner

Leak-Resistant Closure Designed for Secure Sealing

The 20-400 Black Polycone Lined Continuous Thread Closure provides reliable, leak-resistant performance for products that require a secure and stable seal. Its conical polyethylene liner compresses against the bottle opening, creating a tight, protective barrier that helps maintain product integrity, even with sensitive or reactive liquids. Compatible with both glass and plastic bottles featuring a 20-400 neck finish, this closure is a trusted choice for industries that depend on dependable sealing during storage, transport, and everyday use.

• Polycone liner conforms to the bottle neck for a superior leak-resistant seal
• 20-400 thread finish fits a wide range of glass and plastic containers
• Ideal for chemicals, essential oils, and sensitive liquid formulations
• Durable black polypropylene construction for long-lasting performance
• Suitable for industrial, laboratory, and commercial packaging applications