DURAN® Glass Stopper, clear, with standard ground joint, octagonal

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DURAN® Glass Stopper, clear, solid, ST 12/21
Semi-hollow or solid DURAN® glass stoppers can be used to close glassware items such as flasks, separatory funnels 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. Note on using DURAN® glass stoppers with soda-lime glass bottles: If the bottle and the stopper have a temperature difference greater than 30 °C, the glass stoppers can become stuck!
Features and Benefits:

• All DURAN® glass components and therefore suitable for storage of aggressive materials
• Tight closure due to Standard Taper ground joint
• Octagonal shaped head

Application: Storage of air sensitive reagents, and chemicals, Storage of hygroscopic solids, granules and powders, Storage of pharmaceutical APIs, Sealing laboratory glassware such as flasks, reagent bottles, and mixing cylinders