The DWK DURAN DURAN Glass Stopper, NS 85/55, Octagonal, Semi-Hollow, is designed to securely seal laboratory glassware such as flasks, separatory funnels, or reagent bottles with ground joint necks. Manufactured from borosilicate glass 3.3, it ensures durability and resistance to aggressive materials. The standard taper ground joint provides a tight, leak-proof seal, making it suitable for heating or vacuum applications when used with appropriate grease. Its octagonal-shaped head allows for easy handling and tightening.
Key Features:
Note: When using DWK DURAN DURAN glass stoppers with soda-lime glass bottles, avoid temperature differences greater than 30 °C between the bottle and the stopper to prevent them from becoming stuck.
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