DURAN® SBW Lid stopper with short standard ground joint, octagonal, NS 45/27, semi-hollow

Glass stoppers, SBW glass, clear, semi-hollow, NS 45/27 discontinued item Solid or semi-hollow, short-length, clear SBW glass stoppers can be used to close glassware items such as flasks or reagent bottles with ground joint necks. The Standard Taper ground glass joint forms a tight, leak-proof seal. Use grease for heating or vacuum applications. With octagonal shaped head. Special features and benefits: Consists only of glass components and is therefore suitable for the storage of aggressive materials Tight seal due to standard ground joint Octagonal Application: Storage of air-sensitive reagents and chemicals, storage of hygroscopic solids, granules and powders