Dry ice, the frozen carbon dioxide (CO₂), is a fascinating material that sublimates at room temperature, which means that it changes directly from a solid to a gaseous state of aggregation without becoming liquid. This process of sublimation is influenced by the temperature and pressure of the environment.
When dry ice is exposed to ambient air, it quickly begins to absorb heat, causing the stable, solid CO₂ molecules to transform into the gaseous phase. This transformation is not only thermodynamically interesting, but also visually impressive, because during the sublimation process a dense fog cloud of CO₂ is formed due to the condensation of water vapor in the air.
Useful information about dry ice, dry ice blasting machines, dry ice blasting systems and dry ice cleaning is conveniently available in our quarterly “Dry Ice News”. Please add your e-mail address to register without obligation. You can revoke your consent at any time with effect for the future. For information on the processing of your data, including for the improvement of our services, please refer to our data protection information.
The sublimation of dry ice is also of practical use – it is often used in refrigeration technology to keep products cool during transportation, as dry ice offers a much lower temperature than conventional ice cubes and does not melt, but becomes completely gaseous without leaving any residue. However, care must be taken when handling dry ice as the extremely low temperatures can cause skin injuries similar to burns.
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