Ibis 20mm Blue Bi-Metal Magnetic Crimp Cap with Natural PTFE/White Silicone Septa | 100-pk | SKU: 4570-442

These premium 20mm bi-metal magnetic crimp caps from Ibis are engineered for reliable sealing in headspace analysis, GC applications, and automated sampling systems. The blue aluminum/steel construction enables seamless compatibility with magnetic autosampler decapping mechanisms, while the natural PTFE/white silicone septa provides excellent chemical resistance and consistent septum penetration for reproducible results across multiple injections.

• Bi-Metal Construction: Blue aluminum outer layer with steel inner ring for superior magnetic responsiveness and secure crimping
• Septa Composition: Natural PTFE faced/white silicone backing offers broad chemical compatibility and low bleed characteristics
• Size Specification: 20mm diameter designed for standard headspace vials and crimp-top containers
• Autosampler Compatible: Magnetic properties ensure reliable performance with automated decapping systems
• Convenient Packaging: Supplied in a 100-piece pack for laboratory efficiency and inventory management
• Quality Assurance: Manufactured to stringent specifications for consistent sealing performance and analytical reproducibility