Black Rubber Conical Stoppers 14.5mm (20 Pack)

Title: Black Rubber Conical Stoppers (14.5mm, 20 Pcs) for Labware

Description:

These high-quality, black rubber conical stoppers (size 14.5mm) are ideal for sealing various laboratory glassware, including flasks, test tubes, and jars. Perfectly suited for test tubes with a 16mm diameter (we also stock 16x150mm test tubes). Each stopper measures 25mm in height, with a larger diameter of 17.3mm, a smaller diameter of 12.3mm, and a mid-diameter of 14.5mm. Manufactured from a thermally and chemically resistant rubber compound (GOST 7852-76, 23-6-3), these stoppers withstand temperatures ranging from -8°C to +80°C. Please note: these stoppers have a rubber odor; consider this when using them for non-laboratory applications. A pack of 20 stoppers is included.