Agilent, 5188-2759, Caps/septa, screw, headspace, steel magnetic cap, PTFE/silicone septa (top white, bottom blue), 18 mm, 100/pk

Screw cap, headspace, steel, magnetic cap, PTFE/silicone septa (top white, bottom blue), 18 mm, 100/pk. Cap size: 18 mm

Specifications:
Cap Color: Silver
Cap Material: Steel
Cap Size: 18 mm
Certified: No
Compatibility: CTCShimadzu
Includes Septa: Yes
Maximum Temperature: 180 °C
Pre-Slit Septa: No
Product Type: Caps & septa
Repeat Injections: No
Septa Layering: Bi-Layer
Septa Material: Blue PTFE/silicone
Technique: Headspace
UNSPSC Code: 41121806
Vial Type: Screw

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This set features high-quality screw caps with integrated PTFE-silicone septa, engineered for secure and efficient sample sealing in headspace chromatography applications. Each steel magnetic cap is designed in an 18 mm size, compatible with a variety of headspace vials, and optimized for use in automated sample handling systems. The PTFE white top provides robust chemical resistance, while the blue silicone bottom ensures excellent resealability and minimizes the risk of contamination. This combination supports reliable sample integrity, even during multiple penetration cycles, making these caps and septa ideal for demanding research in pharmaceutical analysis, environmental testing, and food safety laboratories. The magnetic steel construction allows seamless integration with robotic autosamplers and automated vial handling systems commonly used with modern gas chromatographs. Supplied in a convenient pack of 100, these consumables streamline laboratory workflows and help maintain reproducibility in high-throughput analytical environments. Their universal compatibility extends to leading platforms such as Agilent headspace samplers and other major brands requiring an 18 mm magnetic closure system. Perfect for laboratories seeking consistent sealing performance, leakage prevention, and reduced sample loss in volatile organic compound analysis and trace-level detection.