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BUCHI Evaporating Flasks for Rotary Evaporators

Evaporating flasks for use with any rotary evaporator or general lab use. High quality borosilicate glass is optimized for durability, heat transfer, and provides strong chemical resistance against acids, alkalis and organic substances.

Supplier:  BUCHI 046596

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Catalog No. 05-403-203

This item has been discontinued and is no longer available. Please reach out to your sales representative.



  • Pear shaped high-performance flasks for rotary evaporators
  • Exclusive use of DURAN borosilicate glass 3.3
  • High chemical resistance against acids, alkalis and organic substances
  • Resistant to thermal shocks and high temperatures combined with low thermal expansion
  • Constant monitoring of glass wall thickness uniformity
  • High degree of attention paid to sphericity of rotating glass parts
  • Glass parts are tension-relieved at 560°C
  • Available in volumes from 50mL to 3000mL
  • Available uncoated or with P+G coating


Borosilicate Glass
Evaporation system
5000 mL
Evaporating Flask
Plastic and Glass


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