Black Rubber Cone Plug 14.5mm (1 pc)

Title: Black Rubber Cone Stopper, 14.5mm, 1pc

Description: This high-quality black rubber cone stopper (size 14.5mm) is ideal for sealing flasks, test tubes, jars, and other laboratory glassware. Perfectly suited for test tubes with a 16mm diameter (we also stock 16x150mm tubes). The stopper measures 25mm in height, with a larger diameter of 17.3mm, a smaller diameter of 12.3mm, and a mid-point diameter of 14.5mm. Manufactured from a chemically and thermally resistant rubber compound (GOST 7852-76, 23-6-3), it withstands temperatures from -8°C to +80°C. Please note: These stoppers have a rubber odor; consider this when using them in non-laboratory settings.