9mm Open Top Screw Cap, Blue, Polypropylene – 100-pk | SKU: C5000-98B

These 9mm open top screw caps are designed for secure sample containment in autosampler vials used across HPLC, GC, and general analytical laboratory applications. Manufactured from high-quality polypropylene, these blue caps feature a 6mm center hole that provides optimal needle access for automated sampling systems while maintaining sample integrity. Ideal for chromatography workflows, pharmaceutical analysis, environmental testing, and quality control laboratories.

• Diameter: 9mm screw thread with 6mm center hole for precise needle penetration
• Material: Virgin polypropylene construction for excellent chemical resistance and durability
• Color: Blue for easy visual identification and sample organization
• Compatibility: Designed for use with standard 9mm screw thread autosampler vials
• Open Top Design: Allows septum customization to match specific application requirements
• Quantity: 100 caps per package for cost-effective laboratory supply management