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What is dry ice blasting?<\/h2>\n
Dry ice blasting is similar to sandblasting, but instead of sand grains, CO2 ice pellets at -78.5 \u00b0C are used. These are sprayed onto the contaminated surface using air pressure, causing the dirt to come loose. <\/p>\n
This cleaning method is based on three principles:<\/p>\n
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- Kinetic energy:<\/strong> The dry ice pellets are accelerated by compressed air and collide with the surface. This kinetic energy causes the dirt to come loose. <\/li>\n
- Thermoshock<\/strong>: The temperature difference between the extremely cold dry ice (-78.5 \u00b0C) and the surface causes rapid cooling and expansion of the dirt, causing it to detach.<\/li>\n
- Sublimation<\/strong>: The dry ice pellets sublimate upon contact with the surface. This means that they transition directly from a solid to a gaseous state without becoming liquid. This prevents moisture problems. <\/li>\n<\/ul>\n
The advantages<\/h2>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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- Thermoshock<\/strong>: The temperature difference between the extremely cold dry ice (-78.5 \u00b0C) and the surface causes rapid cooling and expansion of the dirt, causing it to detach.<\/li>\n