Chemical ResistanceExcellent Solvent & Temperature Resistance
Seal TypeLeak-proof & Pressure-resistant
ReusabilityLimited (septa Replaceable)
We offer high-quality 18mm Magnetic Screw Caps made of aluminum with a magnetic center, ideal for GC applications. These caps feature PTFE/Silicone septa in blue/white for excellent chemical resistance. Compatible with 18mm headspace & GC vials, they provide a leak-proof, pressure-resistant seal. With limited reusability (septa replaceable), our caps ensure reliable performance. As a leading Manufacturer, Exporter, and Supplier, we provide top-notch products for your laboratory needs.