Webinar: Vacuum in freeze drying

The goal of freeze-drying is to dry samples as gently as possible. The physical principle of sublimation is used to let ice turn directly into a gaseous state without melting water forming. Vacuum plays a key role here, as sublimation is only possible under exact pressure conditions. In this webinar, VACUUBRAND experts explain why precise vacuum is crucial in this application and why too low pressure is counterproductive. You will also receive valuable advice on how to not only achieve optimum results and process times, but also how to effectively protect your vacuum pump from wear.


  • The principle of freeze-drying and sublimation explained

  • Why exact vacuum is key

  • Tips for optimal process performance

  • Selection of the proper vacuum technology

  • Tips for protecting the vacuum pump against wear

  • Questions and answers


Carsten Ruth, Sales Director

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Webinar: Vacuum in freeze drying