18-400 Black PP Ribbed Continuous Thread Cap - Polycone Liner

Secure Polycone-Lined Cap for Precision Sealing and Product Protection

This 18-400 black continuous thread closure delivers a highly reliable, leak-resistant seal designed for applications that demand precision and durability. Equipped with a conical polycone liner, the cap conforms snugly to the bottle’s opening, creating a tight seal that’s ideal for liquids, chemicals, and essential oils. Its smooth black finish provides a clean, professional appearance, while the threaded design allows for easy application and removal. Perfect for laboratory, pharmaceutical, cosmetic, and industrial environments, this closure helps maintain product stability and prevent leaks during storage or transport.

• 18-400 neck finish provides a secure, compatible fit with standard bottles
• Polycone liner creates a tight, leak-resistant seal for liquids and chemicals
• Smooth polypropylene construction offers durability and a professional look
• Continuous thread design ensures simple tightening and removal
• Ideal for essential oils, lab chemicals, pharmaceuticals, and industrial products