DURAN® Glass Stopper, amber

Standard taper ground joint, Octagonal flat head
  • Manufactured from borosilicate glass 3.3
  • USP/EP UV light protection due to external amber colouration
  • Very durable and chemically resistant amber colour
  • All USP Type 1 glass components and therefore suitable for storage of pharmaceutical API materials
  • All USP glass components and therefore suitable for storage of corrosive and aggressive materials
  • Tight closure due to standard taper ground joint
  • Octagonal shaped head
Product Overview
Semi-hollow or solid amber 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!
Product Overview
Semi-hollow or solid amber 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!