18-400
18-400 continuous thread caps are designed to provide a secure, reliable seal for containers with an 18-400 neck finish. Commonly used on glass vials and bottles, these caps are ideal for laboratory samples, essential oils, tinctures, pharmaceuticals, and specialty liquids. Available in a variety of materials and liners, 18-400 closures support controlled storage and transport while helping maintain product integrity. Whether used in research environments, personal care production, or small-batch manufacturing, these caps offer consistent performance across a range of applications.
18-400 continuous thread caps are designed to provide a secure, reliable seal for containers with an 18-400 neck finish. Commonly used on glass vials and bottles, these caps are ideal for laboratory samples, essential oils, tinctures, pharmaceuticals, and specialty liquids. Available in a variety of materials and liners, 18-400 closures support controlled storage and transport while helping maintain product integrity. Whether used in research environments, personal care production, or small-batch manufacturing, these caps offer consistent performance across a range of applications.