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C

CO2 snow blasting

As with dry ice blasting, this is also a compressed air blasting process. The carbon serves as the blasting medium here. The main difference between the two processes is the way in which the blasting medium is supplied. In dry ice blasting, as the name suggests, dry ice is added during the process; in snow blasting, it is not a so-called "batch process" (feed process).

The liquid carbon dioxide is continuously supplied as a blasting medium from low-pressure CO2 tanks or from standpipe tanks.

Excerpt from the "Magazine for Surfaces":
"The essential feature of CO2 snow blasting is the use of the liquid phase of carbon dioxide; solid particles as blasting media are generated directly in the process. If the CO2 is already in solid form before the blasting process, it is referred to as dry ice blasting. The liquid carbon dioxide is fed to a compressed air jet and expanded to form a snow/gas mixture."

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