9mm Short Thread Screw cap

The cap is made from blue polypropylene (PP) with a short-thread 9-425 design, ensuring a secure fit for standard 9mm autosampler vials. The bonded white PTFE/red silicone septum, with a center hole of 6mm and a thickness of 1.00 mm, allows effortless needle penetration and reseals efficiently after multiple injections.