18mm Magnetic Metal Cap In Stock
18mm Magnetic Metal Cap with Center Hole for more convenient for the automatic injection needle to perform sample injection.Generally speaking, the Septa in the 18mm Closures uses a double-sided compound of Silicone and PTFE Septa, which makes it difficult for Septa to react with reagents, and it can also protect impurities in the air from falling into the vial.
The 18mm Magnetic Metal Cap is made of high-quality metal material. The standard thread of ND18 makes the Headspace Vial more accurate. The metal cap has a magnetic force. Some autosamplers can better match the Autosampler when grabbing.